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Thread: need help bad
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07-12-2011, 06:43 PM #1Junior Member
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silver- 1999 trans am
need help bad
just bought a 1999 trans am i was driving it down the road and the engine shut off now the car will not start i know its not the fuel pump any suggestions
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07-12-2011, 06:44 PM #211 years of bangin gears
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Phantom Black Metallic- 2004 GTO M6
Are you getting any warning lights on the dash?
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07-12-2011, 06:49 PM #3Junior Member
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silver- 1999 trans am
none at all
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07-12-2011, 06:54 PM #411 years of bangin gears
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Phantom Black Metallic- 2004 GTO M6
Mileage?
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07-12-2011, 06:59 PM #5Junior Member
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silver- 1999 trans am
it has very high milage it hits one time then nothing
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07-12-2011, 07:04 PM #611 years of bangin gears
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Phantom Black Metallic- 2004 GTO M6
Can you hear the fuel pump prime itself when you turn the key to "RUN"?
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07-12-2011, 07:05 PM #711 years of bangin gears
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Phantom Black Metallic- 2004 GTO M6
OK...will it crank?
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07-12-2011, 07:18 PM #8old timer
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Navy Blue Metallic- 2002 Z28
come on man we need more info. like mentioned above... does it crank? does it try to bust off? how do you know that fuel pump is okay? have you tested for fuel pressure AND flow?. enlighten us
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07-12-2011, 09:58 PM #9Junior Member
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silver- 1999 trans am
it will not start it acts like it wants to but doesnt ill check fuel pressure tomorrow
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07-13-2011, 05:16 AM #10O U 8 1 2
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[]D [] []V[] []D- 1999 trans am
i'm going to go a different route... i'd start by checking the key... make sure the resistor isn't damaged/worn out... sounds like the pcm is shutting the car down...
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07-13-2011, 05:35 AM #11None Shall Pass
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Black- 99 WS.6 - Modified
I agree with Spaz.....could be a VATS issue. But a better description would help. Does the car crank over, or do you just hear a click? Also, when checking the fuel pressure, you should have 58 psi at the rail. Lower psi will also cause starting problems, which could be something simple like a clogged fuel filter or more involved like a bad fuel pump.
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07-13-2011, 06:30 AM #12Member
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NBM- 1998Z28
Are you sure your security lite isn't on ?
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07-13-2011, 06:33 AM #13Visualize°Design°Create
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'18 CTS-V- '13 ZL1
how do you know for certain it's not the fuel pump. for it to shut off while driving it sounds like it is a fuel delivery problem. check your fuel filter, relay, etc. it could be something electrical that is affecting the fuel delivery as well.
and yes, definately check the pressure at the rail.
i don't see it being a VATS issue because he was driving the car when this occurred the first time. there is a way to reset the VATS. here it is:
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07-13-2011, 05:12 PM #1411 years of bangin gears
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Phantom Black Metallic- 2004 GTO M6
VATS was my first guess as well, but there wasn't enough info at the time.
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07-14-2011, 07:39 PM #15Senior Member
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Mean Black- 1998 Trans Am
i agree with SSwt00SS if the car is driving and the PCM is not able to read the key value it will not shut the car off. I tried this myself to figure it out and once the car starts you can remove the resistor bypass and the car will not shut off. It swill drive normally. You need the resistor bypass or the key to be read by the PCM prior to crank the vehicle.
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07-14-2011, 09:36 PM #16Veteran
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Red- 02 35th LE Camaro SS
I'll go simpler even yet. Is the battery good? Connections good to the battery?
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07-14-2011, 10:51 PM #17Veteran
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98 Formula- 06 duramax
vats shuts off fuel and spark.....I've also never heard of vats stopping a car once it's running. Not that it can't.......I've just never heard of it doing that. Vats will usually just keep you from starting the car. My money is on the fuel pump.
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07-15-2011, 04:05 AM #18Retired NOT tired
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SOM- 2001 Z28 (Sara)
X2, that's what I was thinking too.
Originally Posted by Spaz
SteveC
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07-15-2011, 01:58 PM #19Impounded
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fuel injectors maybe lines?
Last edited by BashamWS6; 07-15-2011 at 02:01 PM.
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