Help with computer code 14

[d_bigdog]

Ok today I was driving and my CEL came on, when I got home I check for codes and this is what I got. With KOEO I got code 14 this is what the books say :

"The Electronic Control Assembly (ECA) has detected and intermittent loss of Profile Ignition Pick-up (PIP) signal during recent operation."

Ok what does all that mean ?


Thanks,

Joe....

 

[SVO]

1) Code 14 displayed.
This code indicates that 2 successive erratic Pro File Ignition Pick-up (PIP) pulses were sent to ECA.
Causing possible engine miss or stall.
Check EEC and TFI iginition system for possible loose wires or connections, arcing secondary ignition components (coil, cap, and wires) or an on-board two-way radio.
If any of the above conditions present, repair as nessicary and repeat Quick Test.
If none are present goto next step:

2) Distributor Check:
Turn key off and wqait 10 seconds. Deactivate Self-Test.
Using Continuious Monitor (wiggle) Test, observe VOM or your scan tool for and indication of fault while lightly tapping on the TFI modual and distributor, and while wiggling TFI connector.
If fault is indicated, disconnet and check termanls are ok, diagnose TFI modual system. if no fault, goto next step.

3)Checking EEC-IV Harness.
While the Continuious Monitor (wigglr) Test, observe VOM or your scan tool for an indication of fault while wiggling, shaking, bending small sections of the TFI harnesss to the firewall.
Also check harness from firewall to EEC.
Isolate PIP circut, if possible. If fault is indicated, isolate and repair problem and repeat quick test.
If no fault goto next step.

4)Checking EEC-IV and harness connectors.
Turn key off and wait ten seconds, Disconnect 60 PIN connector at the EEC-IV (ECA, EBX, ECU, Processor).
Inspect connector for damaged pins, corrosion, or loose wires, If connectors and PINs are ok, fault cannot be duplicated at this time, Diagnose TFI ignition system. If connectors are damaged repair as nessicary and repeat Quick Test.


In layman's terms I would bet my money on the TFI modual, but that was to answer your code 14 question.

 

[Glacier991]

I may be off base here, but somehow this rings a distant bell - I seem to recall that the earlier model explorers had the ignition pick up module assembled with some plastic part of some inferior manner of assembly, and the little round shutter would get out of whack is what I am recalling. Don't take this to the bank, cuz my memory is hazy, but for what it might be worth.

Happy Exploring

Chris

 

[SVO]

That inferior plastic piece is usally orangish/yellow and cracks from heat and causes havoc!

But the TFI moduals are junk too.

 

[roadkill]

help with codes

SVO,

You wouldn't happen to know what the following codes are?

KOEO
17, 31, 79

Running:
36, 53 [book says TPS but I just replaced it?], 85

thanks!
Wil

 

[SVO]

Yes I would, give me a few and I'll post it up for you.

 

[Glacier991]

Joe.... I was trying to find my information on the code 14 failure modalities, and ran across this site I had printed out. I found it interesting. May help you.

http://tar.home.sprynet.com/page5.html

Hope it is still good and that it helps...


Happy exploring

Chris

 

[SVO]

Re: help with codes

Originally posted by roadkill
SVO,

You wouldn't happen to know what the following codes are?

KOEO
17, 31, 79

Running:
36, 53 [book says TPS but I just replaced it?], 85

thanks!
Wil

Wil, recheck your KOEO codes I show no code 17 to be found.

16 would be IAC valve,/ISC actuator, or ECM, engine RPM too low for heated O2 test, IDM circuit no signal during KOEO.

18 would be wiring, ICM, or ECM, SPOUT circuit open/grounded

31wiring short circuit to ground, EGR valve/position sensor, ECM, EGR sensor below min voltage.

79 *DING* your A/C was on durning test!



KOER codes:

There is no code 36 recheck your test.

35 Wiring short circuit to positive, EGR valve/position sensor, ECM, EGR sensor above max voltage.

53 TPS sensor loose wiring short circuit to positive, TPS, ECM, TPS above maximum voltage.

85 Wiring, EVAP canister purge valve, ECM. Malfunction during KOEO test.


Sounds like you might have a wiring issue in your truck, you need to check very closley the wiring harness for chaffing ir cut wires shorting out, plus lets not for get all the above mentioned sensors, once you have checked everything then and only then can you condemn the ECM.

Give me some back ground on your vehicle.

 

[SVO]

EEC IV 2 DIGIT CODES



[EEC Tests]

NOTE: When you see "is/was" listed for a code:
For a HARD fault code the sensor IS out of range right now.
For a MEMORY code, it WAS out of range at one time (possible intermittent wire etc.).

Some codes pertain to more than one system but there will be only one of the systems on the vehicle.
For example code 58. A vehicle with a VAT sensor will not have an Idle Tracking Switch.

Differences in test mode noted as:

(O) = Key On Engine Off test
(R) = Key On Engine Running test
(M) = Memory code


11 System checks OK -

12 Idle Speed Control motor or Air Bypass not controlling idle properly (generally idle too low) - ISC

13 (O) ISC did not respond properly (extends to touch throttle then retracts for KOEO) - ISC
(R) Idle Speed Control motor or Air Bypass not controlling idle properly (generally idle too high)
(M) ISC sticking, open ITS circuit or TP sticking

14 Ignition pickup was erratic - Ignition Systems
E4OD Transmission diesel RPM sensor - Diesel RPM sensor

15 (O) No Keep Alive Memory power to PCM pin 1 or bad PCM (Memory Test Failure)
(M) KAM (pin 1) was interrupted (was battery disconnected ?)

16 1.9L & 2.5L - Throttle stop set too high - IDLE or Idle Set Procedures
2.3L - RPM's too low - IDLE
(O) Electronic ignition - IDM circuit fault - Ignition Systems

17 1.9L & 2.5L - Throttle stop set too low - IDLE


18 (R) Check base timing & advance function - Timing Tests
(M) Ignition TACH signal erratic - Ignition Systems

19 (O) No Vehicle Power (pins 37 + 57) or bad PCM VPWR Diagnosis
(R) Erratic idle during test (reset throttle & retest) - Idle Set Procedures
Electronic ignition Cylinder ID sensor/circuit problem - Ignition Systems

21 Engine Coolant Temperature (ECT) sensor out of range - ECT

22 MAP (vacuum) or BARO signal out of range - MAP

23 Throttle sensor out of range or throttle set too high - TPS

24 Intake Air Temperature (IAT) or Vane Air Temperature (VAT) sensor out of range - IAT VAT

25 Knock sensor not tested (ignore if not pinging) - KS

26 Mass Air Flow (MAF) or Vane Air Flow (VAF) out of range - MAF VAF
Transmission Oil Temperature (TOT) sensor out of range - Transmissions

27 Vehicle Speed Sensor problem - VSS

28 Vane Air Temperature (VAT) sensor out of range - VAT
2.3L w/Electronic Ignition - Cyl ID, IDM low or right coil pack failure - Ignition Systems

29 Vehicle Speed Sensor problem - VSS

EGR CODES DEPEND ON WHAT SYSTEM TYPE THE VEHICLE IS EQUIPPED WITH:


EVP is for vehicles equipped with EGR solenoid(s), with or without an EVP sensor

EVR is for vehicles equipped with an EGR Vacuum Regulator (EVR) and an EGR Valve Position (EVP) sensor

PFE is for vehicles with Pressure Feedback EGR (PFE) sensor and and an EGR Vacuum Regulator (EVR)

If you don't know what type of system you have, go to the EVP heading, which is the first one.
There are pictures under the different headings to help you identify the system.

31 EVP - (O, R, M) EVP signal is/was out of range - EVP
EVR - (O, R, M) EVP signal is/was low - EVR
PFE - (O, R, M) PFE signal is/was low - PFE

32 EVP - (R) EGR not responding properly during test - EVP
EVR - (O, R, M) EVP signal is/was low - EVR
PFE - (R, M) PFE shows low pressure, EGR not seating or memory, not seating intermittently - PFE

33 ALL - (O, M) EGR did not open/ respond during test or if memory code, did not open intermittently - EVP EVR PFE

34 EVP - (R) EGR did not respond properly during test - EVP
EVR - (O, R, M) EVP sensor is/was high - EVR
PFE - (O, R, M) PFE sensor is/was out of range - PFE

35 EVP - (R) Engine RPM's too low to test EGR system - EVP
EVR - (O, R, M) EVP sensor signal is/was high - EVR
PFE - (O, R, M) PFE sensor signal is/was high - PFE

38 Idle Tracking Switch signal was intermittent - ISC

39 Transmission Torque Converter clutch not engaging - Transmissions

40 SERIES FUEL/AIR INJECTION CODES ON VEHICLES WITH DUAL OXYGEN SENSORS REFER TO THE RIGHT OR REAR SENSOR. EXCEPT: 1984-1988 3.8L ENGINES: LEFT SENSOR

41 (R) System lean - Fuel control
(M) System was lean for 15 seconds or more (no HO2S switching) - Fuel control

42 (R) System rich - Fuel control
(M) System was rich for 15 seconds or more (no HO2S switching) - Fuel control

43 (R) HO2S sensor not reading (run at 2000 rpm's for 2 minutes and retest - check for HO2S switching)
(M) Was lean at WOT for 3 seconds or more - Fuel control

44 AIR system inoperative - Air Injection

45 AIR not Diverting (AIRD) - Air Injection
Electronic Ignition - coil primary circuit failure - Ignition Systems

46 AIR Bypass (AIRB) not working - Air Injection
Electronic Ignition - primary circuit failure coil 2 - Ignition Systems

47 Low flow unmetered air (check for small vacuum leaks, injector o'rings, gaskets etc.)
E4OD transmission 4x4 switch/circuit problem - Transmissions

48 High flow unmetered air (check for large vacuum leak, inlet hoses etc.)
Electronic Ignition - coil primary circuit failure - Ignition Systems

49 Electronic Ignition - spout signal circuit problem - Ignition Systems
Transmission 1/2 shift problem - Transmissions

51 Engine Coolant Temperature (ECT) sensor signal is/was too high - ECT

52 Power Steering Pressure Switch/circuit open - PSP
(R) Did you turn wheel during test ?

53 Throttle Position sensor too high - TPS

54 Intake Air Temperature (IAT) or Vane Air Temperature (VAT) signal high - IAT VAT

55 No or low (under 7.5 V) Key Power to PCM pin 5

56 Vane Air Flow (VAF) or Mass Air Flow (MAF) sensor high - VAF MAF
Transmission Oil Temperature sensor too high - Transmissions

57 Intermittent in Park/Neutral/ Switch or Neutral Pressure switch circuit - PNP or Transmissions
1990 Scorpio - Octane jumper installed (information only code - to inform you if it is installed or not)

58 Idle Tracking Switch (ITS) signal problem ISC
Vane Air Temperature (VAT) sensor out of range or open - VAT

59 AXOD 4/3 circuit fault - Transmissions
3.0L SHO - Low speed fuel pump circuit problem - Power / Fuel Pump Circuits
Transmission 2/3 shift problem - Transmissions
1990 Scorpio - Idle jumper installed (information only code - to inform you if it is installed or not)

61 Engine Coolant Temperature (ECT) sensor is or was too low - ECT

62 AXOD (KOEO only) 3/2 circuit short to ground - Transmissions
AXOD (KOEO AND KOER) 4/3 circuit failure - Transmissions
E4OD excessive converter clutch slippage - Transmissions

63 Throttle Position Sensor (TPS) signal too low TPS

64 Intake Air Temperature (IAT) or Vane Air Temperature (VAT) signal low or grounded - IAT VAT

65 Check intermittent HO2S (signal or ground) - Fuel Control
(R) E4OD truck - cycle OD cancel switch after engine ID is received - Transmissions
1984 3.8L ONLY - O, M Battery voltage high (check for electrical system overcharging)

66 Vane Air Flow (VAF) or Mass Air Flow (MAF) signal low - VAF MAF
Transmission Oil Temperature (TOT) signal low (possibly grounded) - Transmissions

67 Park/Neutral circuit fault - PNP
Transmission Manual Lever Position (MLP) sensor circuit - Transmissions
(M) Intermittent Park Neutral Position (PNP) sensor fault - PNP

68 Idle Tracking Switch (ITS) circuit (possibly grounded) - ISC
Vane Air Temperature (VAT) sensor out of range or grounded - VAT
3.8L AXOD -Transmission Temperature Switch (TTS) open - Transmissions
Electronic Transmission - Transmission Oil Temperature (TOT) sensor was overheated - Transmissions

69 AXOD transmission (O) 3/2 switch closed (possible short circuit) - Transmissions
AXOD (M) 3/2 switch open (poss short to power) - Transmissions
E4OD 3/4 shift problem - Transmissions

70 (M) 3.8L AXOD - Data link to instrument cluster fault. Service any other EEC codes, erase memory and retest.
If code is still present refer to instrument cluster diagnosis manual.

71 (M) 1.9L TBI, 2.3L TBI, 2.5L TBI - ITS signal was grounded when throttle should have been opening ITS - ISC
ISC motor problem or Idle Tracking Switch (ITS) signal wire shorted to ground - ISC
(M) 1.9L MFI - PCM re-initialized. Possible electrical noise, case ground or intermittent VPWR problem - VPWR Diagnosis
(M) 3.8L AXOD - Data link to instrument cluster fault - See code 70

72 (R) No MAP or MAF change in "goose" test - retest, check for frequency or voltage change - MAP MAF
(M) 1.9L MFI - VPWR circuit to PCM was intermittent - VPWR Diagnosis
(M) 2.3L T/C - PCM re-initialized. Possible electrical noise, case ground or intermittent VPWR problem - VPWR Diagnosis
(M) 3.8L AXOD - Message center data link circuit fault - See code 70


73 (O) Rerun test, if 73 is still output replace TPS
(R) No Throttle Position Sensor (TPS) change in "goose" test. Must get at least 25% throttle rotation - TPS

74 Was brake depressed after engine ID was received ?
Brake On Off (BOO) signal open or short to ground - BOO

75 Brake On Off (BOO) signal shorted to power - BOO

76 Vane Air Flow (VAF) did not respond to "goose" test - VAF


77 System did not receive "goose" test - see TESTS

78 (M) VPWR circuit to PCM was intermittent or the PCM is bad VPWR Diagnosis

79 A/C is on or pin 10 is shorted to power

80 SERIES CODES GENERALLY ARE CIRCUIT PROBLEMS THAT COULD BE WIRING, RELAY OR SOLENOID RELATED.
ONLY ONE OF THE CIRCUITS LISTED UNDER THE CODE IS USED ON EACH VEHICLE. THE FAULT IS IN WHICHEVER SOLENOID OR CIRCUIT IS PRESENT ON THE VEHICLE

81 Boost control solenoid - Solenoids
AIRD solenoid - Solenoids and Air Injection
3.0L SHO - Inlet Air Solenoid - Solenoids

82 2.3L TC - Fan Control wire shorted to ground - A/C and Fan Circuits
AIRB solenoid - Solenoids and Air Injection
3.8L SC - Super Charger Bypass Solenoid - Solenoids

83 High Electro Drive Fan circuit fault - A/C and Fan Circuits
EGR Control solenoid - Solenoids
3.0L SHO - Low Speed Fuel Pump Relay circuit - Power / Fuel Pump Circuits

84 EGR Vacuum Regulator - Solenoids
EGR cutoff solenoid - Solenoids
EGR Vent solenoid - Solenoids

85 2.3L T/C Automatic - 3/4-4/3 Shift solenoid - Transmissions
CANP solenoid (ALL 1989) - Solenoids
(M) 1.9L MFI - System has corrected rich condition - Fuel control

86 2.3L or 2.9L Truck - A4LD 3/4 shift solenoid - Transmissions
(M) 1.9L MFI - System has corrected lean condition - Fuel control

87 (O) Fuel pump circuit fault (check inertia switch) - Power / Fuel Pump Circuits
Vehicles with 2BBL carb - Temperature Compensated Accelerator Pump Solenoid - Solenoids
(M) intermittent in fuel pump primary circuit - Power / Fuel Pump Circuits
NOTE: On some Escorts with automatic seat belts this code is normal IN MEMORY due to the wiring

88 Throttle Kicker Solenoid - Solenoids
Variable Voltage Choke relay circuit fault - VVC
Fan Control circuit fault - A/C and Fan Circuits
A4LD - Converter Clutch Override solenoid - Transmissions
Electronic Ignition - IDM, DPI or spout circuit fault - Ignition Systems

89 A4LD - Converter Clutch Override solenoid - Transmissions
AXOD Torque Converter Control solenoid circuit - Transmissions
Exhaust Heat Control (heat riser) solenoid circuit - Solenoids

90 SERIES FUEL/AIR INJECTION CODES ON VEHICLES WITH DUAL OXYGEN SENSORS REFER TO THE LEFT OR FRONT SENSOR. EXCEPT: 1984-1988 3.8L ENGINES: RIGHT SENSOR

91 (R, M) System running lean - Fuel control
Transmission SS 1 circuit/solenoid problem - Transmissions

92 (R) System running rich - Fuel control
Transmission SS 2 circuit/solenoid problem - Transmissions

93 (O) Throttle linkage binding or bad ISC motor ISC (R) HO2S not reading - Fuel control
Transmission TCC circuit/solenoid problem - Transmissions

94 AIR system inoperative - Air Injection
Transmission TCC circuit/solenoid problem - Transmissions

95 (O) Fuel pump: open, bad ground or always on - Power / Fuel Pump Circuits
(R) AIR not Diverting (AIRD) - Air Injection
(M) Possible bad fuel pump ground or open between fuel pump and pin 8 at PCM (Fuel Pump Monitor signal) - Power / Fuel Pump Circuits

96 (O) Fuel pump monitor circuit shows no power - Power / Fuel Pump Circuits
(R) AIR Bypass (AIRB) not working - Air Injection
(M) (Service 87 code first if present) Fuel pump relay or battery power feed was open - Power / Fuel Pump Circuits

97 E4OD OD cancel light circuit failure - Transmissions

98 (R) Did not pass KOEO yet (Get 11 in KOEO first)
Transmission EPC circuit/solenoid failure - Transmissions

99 (R) ISC needs to learn (Let idle for 2 minutes; Erase memory and retest)
Transmission EPC circuit/solenoid failure - Transmissions

 

[SVO]

Testing EEC-IV Equipped Engines


The EEC-IV equipped engines use an older diagnostic system to monitor and report engine related malfunctions. This system is known as On Board Diagnostics (OBD-I). The Diagnostic Trouble Codes (DTC's) are two or three digit numbers and can be read through the use of a scan tool, an analog voltmeter, or with the Malfunction Indicator Light (MIL) [Check Engine or Service Engine Soon light]. Use one of the following methods to obtain the DTC's and then refer to the 2-digit or 3-digit charts.


Scan Tool Method


(1) Connect the scan tool to the self-test connectors. Make certain the test button is unlatched or up.
(2) Start the engine and run it until normal operating temperature is reached.
(3) Turn the engine OFF and wait 10 seconds.
(4) Activate the test button on the STAR tester.
(5) Turn the ignition switch ON but don't start the engine.
(6) The codes will be transmitted. Six to nine seconds after the last code, a single separator pulse will be transmitted. Six to nine seconds after this pulse, the codes from the Continuous Memory will be transmitted.
(7) Record all service codes displayed. Do not depress the throttle during the test.
(8) After the test, compare the DTC's retrieved from those in the 2-digit or 3-digit charts.


Analog Voltmeter Method


Set the voltmeter to read DC 0-15 volts. Connect the positive lead of the meter to the battery positive terminal and connect the negative lead to the Self-Test Output (STO) pin of the diagnostic connector. Follow the directions given previously in the scan tool procedure. To activate the procedure, use a jumper wire to connect the signal return pin on the diagnostic connector to the self test input connector. The self test input line is the seperate wire and connector wih or near the diagnostic connector. The codes will be transmitted as groups of needle sweeps. This method may be used to read either 2 or 3 digit codes. The Continuous Memory codes are seperated by the other codes by 6-seconds, a single sweep, and then another 6-second delay. Compare the 2-digit or 3-digit Diagnostic Trouble Codes with the appropriate chart.


Malfunction Indicator Lamp (MIL) Method


The Malfunction Indicator Lamp (MIL) on the dash (Engine Light) can be used to retrieve the stored codes. This method does not allow for any system investigation. This should only be used in the field where quick checks are needed. Follow the directions previously given for the scan tool procedure. To activate the tests, use a jumper wire to connect the signal return pin on the diagnostic connector to the Self-Test Input (STO) connector. The self test input line is the separate wire and connector with or near the diagnostic connector. Codes are transmitted with a pause between flashes. Code 32 would be sent as 3-flashes, a pause and then 2-flashes. A slightly longer pause separates the codes. The only way to repeat the code is to recycle the system. The Continuous Memory Codes are separated from the other codes by 6-seconds, a flash and then another 6-second delay. Compare the 2-digit and 3-digit Diagnostic Codes with the appropriate chart.


MEMORY CODES


Memory codes are problems that the computer has noticed in the past. If for example there was a loose wire to a solenoid that only lost contact while driving but was making contact while testing the system there would be NO HARD FAULT CODE. The code would show up IN MEMORY. The same would happen for a sensor that only went out of range occasionally. Memory codes come out AFTER the separator pulse.

NOTE: The computer will erase the memory after a certain number of engine re-starts if the problem does not repeat itself. The number of re-starts varies from 20 to 80 depending on the year of the vehicle. The later models keep memory longer.


KEY ON ENGINE RUNNING (KOER) TEST


1. Make sure engine is fully warmed. If in doubt, run engine at 2000 rpm for 2 minutes.

2. Turn ignition off and wait 10 seconds for system to shut off. Make sure A/C is off and transmission is in Park (automatic) or Neutral (manual).

3. Hook up light and jumper (or tester if you have one).

4. Make sure vehicle is safe to run and start engine.

5. Engine I.D. should be output.

6. Step on brake and turn steering wheel 1/4 turn. If the vehicle has an overdrive cancel switch, push it.

7. If a "Goose" pulse is received, move throttle quickly 1/2 way down and release.

8. Fast Codes are output (ignore).

9. Read codes.

10. See code explanations and check components as necessary. Use FIRST CODE OUTPUT and retest after any repairs are made.


KEY ON ENGINE OFF (KOEO) TEST


NOTE: On 4.9L trucks with a manual transmission hold the clutch pedal in during this test.
On Diesel engine trucks hold the throttle to the floor during this test.


1. Make sure engine is fully warmed. If in doubt, run engine at 2000 rpm for 2 minutes.

2. Turn ignition off and wait 10 seconds for system to shut off. Make sure A/C is off and transmission is in Park (automatic) or Neutral (manual).

3. Hook up light and jumper (or a tester if you have one). Turn key to ON (do not start engine).

4. Fast Codes are output (ignore fast light flashes).
NOTE: Unhook self test input jumper (or tester if used) at any time during code output to erase memory.

5. Read hard faults.

6. Separator Pulse.

7. Read memory codes.

8. See code explanations and check components as necessary.
Use FIRST CODE OUTPUT and retest after any repairs are made.

 

[MrShorty]

Wil, recheck your codes. I'm not sure when in the '91-'92 model years, but somewhere in there they went to putting out 3 digit codes. In any case, my '92 outputs 3 digit codes.

 

[roadkill]

Thanks for your info!

I appreciate your responses!

Mr. Shorty,
I was using the Haynes as a ref. and all the codes they had listed were all two digit. It was tricky to determine which were 2 sec pauses and 4 sec separator pauses.

The codes do repeat, and I would end up just writing the individual digits, then work backwards with the numbers.

Hence: 5-3-8-5-3-6.
So this could be 536 and 538...

And 1-7-3-1-7-9 could be 173 and 179...


I will be putting a fuel pump in Saturday, then I hope this fixes everything, But I will recheck codes for 2 and 3 digit.

I found this site with codes for Broncos, are they good?
http://www.off-road.com/ford/bigbroncos/tech/eec/eec-iv.html

Thanks again!
Wil

 

[SVO]

Baised on a 1992 Explorer with 8th digit VIN code "X" (4.0) my book tells me it a 2 digit code read out, but that's why I asked for some back ground info on his vehicle.

Flying blind sucks lol!

 

[roadkill]

Here's the background:

SVO,
The VIN is:1FMDU34X0NUA97324

1992 4.0

143,000 MILES [burns no oil, but plugs had a little black carbon this time, possibly from fuel pump/pressure variation]

Just changed TP, plugs, new fuel filter, cleaned MAS, replaced air filter, cleaned throtlebody, Don't know how to clean IAF but the spring plunger actuated fine. Plug wires are fairly new, put dielectric on plug contact points.

Runs,performs fine, just the idle wants to lope at times.

Sometimes CEL comes on, but 5 min after start, and only on freeway [again, fuel pressure related?]

Trans replaced @ 115,000 [I'm sure not significant]

Not knocks or taps or leaks

No water leaks, fluid clear and constant level.

Oil filler cap clean, no sludge.

ALSO, rough idle was coincidental with the fuel pump whining louder than normal, which points me to the pump for most of the probs. Otherwise, this truck has been running real nice.

Hope this helps!

Appreciate your help.

Wil