CAR STALLED AN NOW WILL ONLY START IF GAS PEDAL IS TO FLOOR RUNS RUFF FOR A FEW SECS THAN IT STALLS

1997 Pontiac Sunfire

Tiny

chaz1983

February, 18, 2012 AT 3:32 AM

Car stalled out towed home would not start unless I heald gas pedal to floor an once started would only continue runing if gas pedel is still held to floor but it stalls after about 30 secs I got good spark good fuel pressure 42psi good compression 150 each cylinder I have change crankshaft sensor tps an no change ran obo2 got a p0121b checked plugs they r black an wet cleaned them tryed to run no luck I removed fuel pump fuse an sprayed starter fluid an it started up ran great put fuse back in an back to barely starting an stalling smelling gas so guess car is geting flooded is it the injectors bad or fuel pressure reg bad how can I know forsure already put 2000 in this car in the last few months an sure cant aford much more but sure need this car back on road

FOUND 4511 RELATED QUESTIONS

10 Answers

Tiny

rasmataz

February, 18, 2012 AT 3:36 AM

Check the fuel pressure again, could be injectors are leaking or the fuel presure regulator

Tiny

billymac

February, 18, 2012 AT 3:38 AM

Could be temp sensor could be module prob not fuel press reg you would have high pressure I would suspect module.

Tiny

rasmataz

February, 18, 2012 AT 3:41 AM

Your FP should 41-47 psi

Tiny

chaz1983

February, 18, 2012 AT 3:45 AM

Used noid light to chk injector pulse that was good not sure how to know if injectors are leaking or how to check fuel regulator other than was told to take vacum hose off top of fuel reg an if its wet its bad if dry its good well its dry not sure of anyother way to check

Tiny

chaz1983

February, 18, 2012 AT 3:46 AM

Fuel pressure is 42 psi

Tiny

chaz1983

February, 18, 2012 AT 3:50 AM

Billymac was you thinking about the igntion module if so I replaced that befor testing mine at advance an mine passed so end up with a extra good module an coil for back up one day will check cool temp

Tiny

chaz1983

February, 18, 2012 AT 8:42 PM

Can my computer be replaced in my car I was told to check injectors see if they r spraying a mist or squirting gas if it's not my injectors than I'm being told it's my computer an in some year guess the computer can't be changed

Tiny

chaz1983

February, 28, 2012 AT 5:17 AM

PlEase help me

Tiny

chaz1983

March, 3, 2012 AT 8:15 AM

Please help

Tiny

Wrenchtech

March, 3, 2012 AT 10:58 AM

This person has multiple questions open on the same problem.

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