90 cutlass won't stay running

Kevinb54017 · 10-09-2005, 05:17 PM

Ok I had a post in here before this car and I'm back with it again.
I have been driving it every day for the past month and have had no problems with it. about 2 weeks ago I parked it on friday night and didn't drive it again until monday morning. it started up just fine, I backed up and went to take off and it died, would restart but ran rough, and as soon as I gave it the gas is died, after goofing around with it for a week when I would go to start it it takes 4-5 try's before it will stay running and will idle ok but as soon as you give it the gas it dies.
the fuel preasure is good around 30 lbs, I had replaced the throtle pos sensor, the map sensor, the ecm, and because I was told before that it could be part of the other problem I had before it broke down again and replaced the crank sensor and I have checked all the fuel injectors. the only code I can get out of it is a 33 which I show as the map sensor but that didn't come up until after I changed the ecm and because I had one laying around I replaced that too.
Any one have any ideas as to what to try next?

GTP Dad · 10-10-2005, 06:46 AM

Change the MAP sensor with a new one. It will cause the problems you are describing.

Kevinb54017 · 10-10-2005, 07:14 AM

that was changed when I was doing the other checking unless the new one that I put in was bad too

maxwedge · 10-10-2005, 10:14 AM

Recheck the fuel pressure with the engine under power yours seems a little low, did you just check it at idle?

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