Had the car out yesterday and was not happy with how it ran. 20 miles into my trip the car stumbled and quit while accelerating moderately from a stop sign. Car started back up fine and nothing unusual for the next 30 miles. Stopped for dinner no problem. Headed home and stopped at the store. Came out 45 minutes later and the car started up. Put in gear and press the throttle and it stalled. I took me a good three minutes of turning over and playing with the throttle to get it started after that. I would just about catch then die again.
Drove it to town and back tonight with no problems other than the bad idle and rich fuel smell it has had for a while.
Came home, hooked up Turbolnk and went for a ride. I am going through the data now and trying to figure out what to do.
Observations:
* Idle o2 volts show lean (under 100) most of the time but the car smells rich while idling. Vacuum is 10 - 13 inches.
* Stopped on the road for a couple of seconds then floored it for a run. TPS was over 4.7 but the MAF showed no more than 217 grams when the knock detector went off and I lifted. Log showed 17.2 degrees at 886 mv.
I drove a little while down the road about 50 mph and the integrator was bouncing nicely above and below 128. MAF was about 35-40 gps. I then matted the throttle and the MAF read 85, 230, 165,176,190, and 202. Only 2.6 degrees when I first hit the throttle and it downshifted to 2nd.
Overall I can't find any integrator or BLM readings under 128 at idle.
Car has a Thrasher chip with 45 PSI fuel pressure running about 13-15 pounds boost.
Can't seem to get 255 GPS. The MAF on the car is the correct code and part number. Don't know if it is a reman. No trouble codes.
Car seems to idle better when I pull and plug the vacuum line to the FPR. Spark plugs were all a uniform white color. No change in idle when tapping the MAF with a screwdriver. I only have vacuum lines hooked up to the FPR, PVC, and MAP trying to isolate any potential vacuum leaks.
The only obvious things lately are that I found 5 of the six screws holding the coil pack down loose and I am getting oil dripping out of the breather in place of the oil fill tube.
Any thoughts???
Drove it to town and back tonight with no problems other than the bad idle and rich fuel smell it has had for a while.
Came home, hooked up Turbolnk and went for a ride. I am going through the data now and trying to figure out what to do.
Observations:
* Idle o2 volts show lean (under 100) most of the time but the car smells rich while idling. Vacuum is 10 - 13 inches.
* Stopped on the road for a couple of seconds then floored it for a run. TPS was over 4.7 but the MAF showed no more than 217 grams when the knock detector went off and I lifted. Log showed 17.2 degrees at 886 mv.
I drove a little while down the road about 50 mph and the integrator was bouncing nicely above and below 128. MAF was about 35-40 gps. I then matted the throttle and the MAF read 85, 230, 165,176,190, and 202. Only 2.6 degrees when I first hit the throttle and it downshifted to 2nd.
Overall I can't find any integrator or BLM readings under 128 at idle.
Car has a Thrasher chip with 45 PSI fuel pressure running about 13-15 pounds boost.
Can't seem to get 255 GPS. The MAF on the car is the correct code and part number. Don't know if it is a reman. No trouble codes.
Car seems to idle better when I pull and plug the vacuum line to the FPR. Spark plugs were all a uniform white color. No change in idle when tapping the MAF with a screwdriver. I only have vacuum lines hooked up to the FPR, PVC, and MAP trying to isolate any potential vacuum leaks.
The only obvious things lately are that I found 5 of the six screws holding the coil pack down loose and I am getting oil dripping out of the breather in place of the oil fill tube.
Any thoughts???