1996 Pontiac Grand Am CAR STARTS BUT CANT STAY ON

Tiny
MAXMILLION
  • MEMBER
  • 1996 PONTIAC GRAND AM
Engine Performance problem
1996 Pontiac Grand Am 4 cyl Front Wheel Drive Automatic 120K miles

COUPLE OF WEEKS AGO I HAD I TURNED OF THIS CAR IN A PARKING MALL AND DOESN'T TURN ON AFTER THAT. I DECIDE BRING IT TO A REPAIR SHOP AND THE MECHANIC USE A SCANNER, THIS ONE INDICATES THIS FOLLOWING CODES P0507 AND P0335. THE MECHANIC SAID THAT WITH THE CHANGE OF THE SHAFTCRANK SENSOR ( ERROR P0335) THIS WILL WORK FOR A WHILE BUT WILL BE NECESSARY CHANGE THE RPM SENSOR ( ERROR (P0507). NOW THE CAR HAS PROBLEMS ONCE AGAIN. THIS ONE CAN TURN ON BUT TURN OF FAST, NO MATTER IF I TRY TO ACCELERATE IT ( REALLY I TRY TO ACCELERATE AND CANT UP, IT LIKE SOMETHING HOLDING THE MOTOR FOR NOT INCREASE THE RPM. PLEASE I NEED YOUR HELP FOLKS ! AS SOON AS POSSIBLE!
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Monday, January 26th, 2009 AT 9:28 PM

3 Replies

Tiny
SERVICE WRITER
  • EXPERT
First, recheck the codes and post what you have found.

Second check the fuel pressure during the period that you are unable to accelerate.
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Tuesday, January 27th, 2009 AT 7:19 AM
Tiny
MAXMILLION
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Continue with my situation, I check / scan the car once again an reflect the same Codes P0335 ( Crank Sensor code, already change it the last time) and Code P0507 ( High Idle). You can tell me where can I get the Fuel Filter. For change it, I was thinking that the filter should be dirty or something like that. Please let me know your advice. I will be waiting for your answer. Best regards
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Tuesday, January 27th, 2009 AT 1:49 PM
Tiny
SERVICE WRITER
  • EXPERT
Same codes as before.
IS this thing starting?

IS it running and stalls?

I need a clear idea of what is happening. Maybe I'm mis-reading. The communication is a little sketchy for me.

Neither code has to do with the fuel system so lets not go down that path right now.

IF the filter was changed 30,000 miles or less then don't worry about that now.

In my experience, the shaft crank sensor. Errr. The crank shaft sensor, (you have me doing it), is best replaced by delco or delphi brands.

I have seen ignition coils and computers trigger the code po335 in the past. Or at least it solved that code in any event. Also besides the crankshaft sensor, the harness leading to it has been known to be a problem. You'll have to tear the harness apart to get to the wires.
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Tuesday, January 27th, 2009 AT 5:04 PM

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