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Oh that was your car on the flat bed last sunday.

yes that was my car haha fml!

i unpluged it and nothing changed, i was told that mans maf is ok.idk

the coolant sensor was bad in my 95 gmc 454bbc and it ran like ass. that was gana be my guess.

LSX- STANG wrote:

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o2 sensors

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they are brand new that would suck, i changed fuel filter and same shit...just wierd how it runs and drives fine for 5-7 mins then runs like ass

-- Edited by flamingpony on Saturday 4th of September 2010 09:10:03 PM

Check the voltage on your TPS. If you are not sure how to do that let me know. It is very easy and I will tell you how.

like scott says it is ok then goes into closed loop where all the sensors are working . where are you located i have a scanner i might be able to hook it up and scan through the paremetors and see if anybody lnows what is off for readings f no codes come up not sure on obd1 but i know obd II throws a code for o2 sensors

-- Edited by monte on Saturday 4th of September 2010 09:36:58 PM

if i can get a ride on like a sat afternoon or sunday i could get there

you either need a good digital multi-meter or a scan tool and start looking around. i was borrowing an isuzu trooper about 10 years ago that had a 2.8 gm engine in it. i had to replace the o2 sensor and just got one from pep boys. about a month later the c.e.l. came on and it had an o2 code in it. the voltage from the sensor was stuck around .300v which indicated lean, so i sprayed some carb cleaner in the throttle to richen it up and the sensor didn't move. so i bought a gm sensor and problem solved. as someone else stated what sensores did you use?