Compucents
New Member
- Joined
- September 7, 2008
- Messages
- 2
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- Year, Model & Trim Level
- 1998 XLT
My 98 Explorer seems to have a fuel problem. It has 175K miles and has been a super reliable car for the last 4 years. It started running very rough on the way home from work, I barely got the last 10 miles out of her to get to my driveway.
I took the easy route first and replaced the fuel filter, no results. I decided to change the spark plugs, wire set and air filter mostly because it was time anyway. What a nasty job to get the rear 2 plugs on the passenger side...uhg! After everything is installed now the truck starts right up and runs smoothly for about 3 seconds then dies out. Turn the key off and it will start right back up again for 3 seconds.
I bought an OBD 2 reader and below are the codes. These were stored form the "rough" ride home. I cleared the computer and now it runs and stalls, but no codes get stored.
DTC Codes:
P0442 - EVAP Control System Small Leak (0.040") Detected
P0301 thru P0306 - Misfire cylinder 1 thru 6
Pending Codes:
P0174 - Fuel System Too Lean (Cylinder Bank 2)
P1151 - Lack of HO2S-21 Switching. HO2S Signal Low Input
P1131 - Lack of HO2S-11 Switching. HO2S Signal Low Input
Freeze Frame Information:
Short Term Fuel Trim - Bank 1 42.19%
Long Term Fuel Trim - Bank 1 0.0%
Short Term Fuel Trim - Bank 2 42.19%
Long Term Fuel Trim - Bank 2 0.0%
Engine RPM 2,686 RPM
Vehicle Speed Sensor 30.45 MPH
I try not to do too much vehicle repair if I can help it so I don't have very many specialty tools (like a fuel pressure guage). I just wanted to see if this information meant anything specific towards the fuel pump, or fuel regulator? I read the voltage level is critical so I'm replacing both battery terminals tomorrow, maybe that will help?
Any help in deciphering these codes would be greatly appeciated.
Thanks
I took the easy route first and replaced the fuel filter, no results. I decided to change the spark plugs, wire set and air filter mostly because it was time anyway. What a nasty job to get the rear 2 plugs on the passenger side...uhg! After everything is installed now the truck starts right up and runs smoothly for about 3 seconds then dies out. Turn the key off and it will start right back up again for 3 seconds.
I bought an OBD 2 reader and below are the codes. These were stored form the "rough" ride home. I cleared the computer and now it runs and stalls, but no codes get stored.
DTC Codes:
P0442 - EVAP Control System Small Leak (0.040") Detected
P0301 thru P0306 - Misfire cylinder 1 thru 6
Pending Codes:
P0174 - Fuel System Too Lean (Cylinder Bank 2)
P1151 - Lack of HO2S-21 Switching. HO2S Signal Low Input
P1131 - Lack of HO2S-11 Switching. HO2S Signal Low Input
Freeze Frame Information:
Short Term Fuel Trim - Bank 1 42.19%
Long Term Fuel Trim - Bank 1 0.0%
Short Term Fuel Trim - Bank 2 42.19%
Long Term Fuel Trim - Bank 2 0.0%
Engine RPM 2,686 RPM
Vehicle Speed Sensor 30.45 MPH
I try not to do too much vehicle repair if I can help it so I don't have very many specialty tools (like a fuel pressure guage). I just wanted to see if this information meant anything specific towards the fuel pump, or fuel regulator? I read the voltage level is critical so I'm replacing both battery terminals tomorrow, maybe that will help?
Any help in deciphering these codes would be greatly appeciated.
Thanks