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Bad Tps Sensor?

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Old 08-27-2003, 12:00 PM
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i dont know what it could be exactly, but before and after i did non seq, my car would idle very low 4-500rpms. now when i try to stay at a rpm it will sputter, but then if im accelerating it will be fine.



my pfc reads .19+ and my boost guage reads in the negatives. could it be that i took out too many solenoids and the pfc thinks the car is under boost at all times? even at idle it reads in the boost range, but never negative... the car also spits black smoke and pops every now and then (really fregin rich) going 15 miles i went through an 1/8th of a tank under almost no acceleration.



could the tps sensor not be reading the small amount of pedal pressure it takes to stay at an rpm? how can i check?



there is no way i start the car under boost, eventhough the pfc reads i am at startup (didnt before) before i took all of the solenoids out it read perfectly and car was somewhat fine with a small low rpm hesitation. (this happened once i reset the pfc) timing reads 18-20 at 2k rpms. somethings not right, why is it spitting sooo much gas into it when it didnt do that before? should i get a different map for my pfc?



help! i dont wanna get stuck in a parking lot!
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Old 08-28-2003, 12:36 AM
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is the map sensor plugged in?did you replace the filter on the map sensors hose with a check valve by accident (they look similar)if everything looks ok you prob. need to take it apart again and recheck everything you did when you went nonseq.
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Old 08-28-2003, 01:28 PM
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yah sounds like the map sensor isnt hooked up or hooked up to the wrong port



mike
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Old 08-29-2003, 12:14 AM
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figured out it was the check valve swap on the map sensor... figured it out and fixed the problem, seems to work fine now!!
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