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89 Iroc with 11,000 won't start please help

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Old 06-03-2012, 07:11 PM
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Car: 1990 IROC-Z Convertible
Engine: 5.0
Transmission: Auto
89 Iroc with 11,000 won't start please help

I have a low mileage stock car that was throwing a MAF code this is the 3rd MAF in 11K. So before put 3 rd one in I cleared code and left the second one in and I went to get on it and car fell on its face stalled out. I could not start car that night, I tested for fuel pressure at rail and there was. I pulled a plug and checked for spark it was there, the car would crank but not run. I left it and next morning to be sure I brought 3 gallons of gas to be sure I had gas in case gage was dead it said last night I had 1/4 of tank and when I opened gas cap i had serious vapor lock. I then disconnected MAF and battery for a couple minutes cleared codes and car started right up. I left MAF disconnected and drove home. Next day I then put in new MAF and car started right up. Ran it for twenty minutes and I shut it off no codes seemed fine. I then went to start and it would not. I checked fuel pressure and it had 42 pounds of pressure on gauge. Next day I was having it towed to mechanic and it started ran it for ten minutes and then trying to load on flatbed it died n would not start. Mechanic confirmed spark and fuel pressure he thought for sure computer. Pulled one in it out and saw it was not original computer and had a hypertech chip I knew that 160 thermostat is in it. So third computer in 11K car still did not fix car. Thoughts????
Old 06-03-2012, 07:16 PM
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Car: 1989-92 FORMULA350 305 92 Hawkclone
Engine: 4++,350 & 305 CIs
Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: 89 Iroc with 11,000 won't start please help

OHM check the injs. are you running a K&N?
Old 06-03-2012, 07:20 PM
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Car: 1990 IROC-Z Convertible
Engine: 5.0
Transmission: Auto
Re: 89 Iroc with 11,000 won't start please help

Yes K&N s n injectors where checked the week before when I first saw MAF code and all good
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