aldive
Elite In Memoriam
- Joined
- January 17, 2001
- Messages
- 24,667
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- Year, Model & Trim Level
- 1999 XLT
To fine tune the function of my HHO generator (http://www.explorerforum.com/forums/showthread.php?t=217491&highlight=hho ), I decided to add a dual mode MAP/MAF Enhancer.
What is a MAF Enhancer you ask? Basically, the MAF Enhancer is a simple play with resistors device. MAF Sensor Enhancer simply takes the MAF signal to the PCM and attenuates it. Too much attenuation will kill the engine; it will simply shut off. However, if you control it correctly you can lean down the mixture from the stoichiometric which is factory set at 14.7:1, down to 20:1, possibly 50:1 or 100:1.
Dual mode merely means th4e device has a setting for “city” and “highway ( over 40 MPH )” driving.
I acquired the MAF Enhancer from HHO Development (http://www.hhodevelopment.com/buynow.htm ), a Fort Worth, TX, firm. The cost was $80.00 to my door via USPS. Vern Minton was very helpful and promptly answered all questions and shipped very fast.
The installation was undemanding. The device is a well constructed box that measures 3 1/2 inches wide, 2 inches tall and 1 1/2 inches deep. It comes with a harness quick connector and three wire leads ( black, red and brown ).
The first thing I did was make a custom harness of black, red and yellow ( I didn’t have any brown wire in my shop ) 16 gauge wire from the area of the MAF wire harness and run it to the inside of the cabin in the area of the center console.
The three wires were attached to the leads from the MAF Enhancer. The connection was with the pre attached butt connectors and covered with heat shrink tubing.
I have not decided on a “permanent” mount for the MAF Enhancer so I have it sitting in the console ( with extra wire ) for the time being. Its physical size will make a double side tape attachment simple.
The signal wire from the MAF to the PCM was cut and the cut wire from the MAF was connected to the red wire. Be careful to get the correct wire; in my case the MAF has 6 wires. The other end of the cut MAF wire was connected to the brown wire. And finally, the black wire was attached to ground. The connections were soldered and sealed in heat shrink tubing.
The wire harness was secured with tie wraps.
All wiring was checked and double-checked and the truck was started with the MAF Enhancer in the Factory position. All was well.
The next step in the install was to tune the device.
Tuning the MAF Enhancer ( from the manufacturer ):
Turn the knob all the way to “rich” (The Dial should point to “0”). Make sure your HHO Generator is operational. Warm up the engine and drive a while before experimenting with the knob. For speeds above 40 mph, adjust the “Highway” dial.
1. DO THE NEXT STEP WITH CARE – ON A SIDE ROAD - JUST IN CASE YOUR ENGINE STOPS UNEXPECTEDLY.
2. Now, start turning the knob clockwise; the mixture will turn leaner and leaner until the car stalls or bucks as you drive. Back the knob off slightly after the bucking and chugging.
3. Keep the danger of overheating in mind. If your HHO Generator is non-operational, temporarily set the enhancer at or near original factory setting (rich).
4. Set points can change from one gas station fuel to another, weather conditions, cold engine, etc. The differences are not large, but if you're on the edge, then the car will buck or vibrate, and you'll need to change the set point a bit. Remember that this is a simple device.
5. NOTE: When this device turns on, it will set a CEL. This can be turned off with an OBD II scanner.
After tuning, the dial on the MAF Enhancer was in the 10 position for “city” and in the 20 position for “highway”. It took several trys to set the dials “right”. I never set a CEL.
Engine coolant temperature was vigilantly monitored ( with my OBD II scanner - http://www.autoxray.com/ ) during the tuning process. It never got out of hand.
The MAF Enhancer installation took about 45 minutes ( including making the harness ) at a relaxed pace; whereas, the tuning required less than 10 minutes.
A brief road test including driving in the “city” as well as the “highway” position showed all was well. A prolonged road trial on I75 will be performed in the next few days; data will be reported after the conclusion of the trial.
The next phase in the fine tuning of the HHO generator process will be the addition of Oxygen Sensor extenders and the addition of a pulse width modulator (PWM) to control the power.
And now onward to the joy of enhanced gas mileage ….
What is a MAF Enhancer you ask? Basically, the MAF Enhancer is a simple play with resistors device. MAF Sensor Enhancer simply takes the MAF signal to the PCM and attenuates it. Too much attenuation will kill the engine; it will simply shut off. However, if you control it correctly you can lean down the mixture from the stoichiometric which is factory set at 14.7:1, down to 20:1, possibly 50:1 or 100:1.
Dual mode merely means th4e device has a setting for “city” and “highway ( over 40 MPH )” driving.
I acquired the MAF Enhancer from HHO Development (http://www.hhodevelopment.com/buynow.htm ), a Fort Worth, TX, firm. The cost was $80.00 to my door via USPS. Vern Minton was very helpful and promptly answered all questions and shipped very fast.
The installation was undemanding. The device is a well constructed box that measures 3 1/2 inches wide, 2 inches tall and 1 1/2 inches deep. It comes with a harness quick connector and three wire leads ( black, red and brown ).
The first thing I did was make a custom harness of black, red and yellow ( I didn’t have any brown wire in my shop ) 16 gauge wire from the area of the MAF wire harness and run it to the inside of the cabin in the area of the center console.
The three wires were attached to the leads from the MAF Enhancer. The connection was with the pre attached butt connectors and covered with heat shrink tubing.
I have not decided on a “permanent” mount for the MAF Enhancer so I have it sitting in the console ( with extra wire ) for the time being. Its physical size will make a double side tape attachment simple.
The signal wire from the MAF to the PCM was cut and the cut wire from the MAF was connected to the red wire. Be careful to get the correct wire; in my case the MAF has 6 wires. The other end of the cut MAF wire was connected to the brown wire. And finally, the black wire was attached to ground. The connections were soldered and sealed in heat shrink tubing.
The wire harness was secured with tie wraps.
All wiring was checked and double-checked and the truck was started with the MAF Enhancer in the Factory position. All was well.
The next step in the install was to tune the device.
Tuning the MAF Enhancer ( from the manufacturer ):
Turn the knob all the way to “rich” (The Dial should point to “0”). Make sure your HHO Generator is operational. Warm up the engine and drive a while before experimenting with the knob. For speeds above 40 mph, adjust the “Highway” dial.
1. DO THE NEXT STEP WITH CARE – ON A SIDE ROAD - JUST IN CASE YOUR ENGINE STOPS UNEXPECTEDLY.
2. Now, start turning the knob clockwise; the mixture will turn leaner and leaner until the car stalls or bucks as you drive. Back the knob off slightly after the bucking and chugging.
3. Keep the danger of overheating in mind. If your HHO Generator is non-operational, temporarily set the enhancer at or near original factory setting (rich).
4. Set points can change from one gas station fuel to another, weather conditions, cold engine, etc. The differences are not large, but if you're on the edge, then the car will buck or vibrate, and you'll need to change the set point a bit. Remember that this is a simple device.
5. NOTE: When this device turns on, it will set a CEL. This can be turned off with an OBD II scanner.
After tuning, the dial on the MAF Enhancer was in the 10 position for “city” and in the 20 position for “highway”. It took several trys to set the dials “right”. I never set a CEL.
Engine coolant temperature was vigilantly monitored ( with my OBD II scanner - http://www.autoxray.com/ ) during the tuning process. It never got out of hand.
The MAF Enhancer installation took about 45 minutes ( including making the harness ) at a relaxed pace; whereas, the tuning required less than 10 minutes.
A brief road test including driving in the “city” as well as the “highway” position showed all was well. A prolonged road trial on I75 will be performed in the next few days; data will be reported after the conclusion of the trial.
The next phase in the fine tuning of the HHO generator process will be the addition of Oxygen Sensor extenders and the addition of a pulse width modulator (PWM) to control the power.
And now onward to the joy of enhanced gas mileage ….
