Thread: Stalling after starts

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  1. #1 Stalling after starts 
    GT Level Member pski920's Avatar
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    I have a 98 GTP and about 5 sec. after i start the motor, it stalls. No matter if it's in gear or neutral, still stalls. I had a scanner and it told me the car has a 1646 (EVAP Boost sensor?) code. Anyone have this same problem or a stalling problem they may be able to shed light on? I've pulled the MAF sensor, Idle control valve, and EGR and I get the same problem. Thanks.
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  2. #2 Re: Stalling after starts 
    The Blue One blueguy's Avatar
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    The EVAP is the black canister on the backside of the blower.
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
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  3. #3 Re: Stalling after starts 
    GT Level Member pski920's Avatar
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    is it the one mounted and has a wire harness to the top of it? is it about 3-4" high and 2-3" around? i see that's connected to the exhaust so i thought that was the EGR valve? it looks
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  4. #4 Re: Stalling after starts 
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    The EVAP is in the left rear fender, I also own the 98 GTP, Having the same problems.
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  5. #5 Re: Stalling after starts 
    The Blue One blueguy's Avatar
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    Last time I checked it is on the backside of the blower, on top of the MAP sensor...a small black canister about 3"-4" wide with two vacuum lines running out of each side that can be unclamped. But what do I know.
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
    '99 Chevrolet Silverado Classic Z71 4x4 - K&N Intake/Gibson Exhaust #TRUCKTHINGS
    '12 Buick Regal Turbo - ZZP CAI/20% Tint/HID's
    '89 Ford Mustang LX Notchback - LM7 5.3, 4L80, 9", HX40
    '04 Chevrolet Corvette MRM A4/LS1 - TSP LT's, 3"O/R X, AFE S2 CAI
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  6. #6 Re: Stalling after starts 
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    I guess it depends on what year your car is I guess.
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  7. #7 Re: Stalling after starts 
    GT Level Member pski920's Avatar
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    i actually found it to be the fuel pump resistor, and replaced it with a relocater kit from my cousin at a GM dealership ($38). cheaper than anywhere i could find it.
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  8. #8 Re: Stalling after starts 
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    The Fuel pump resistor, is that in the right front fender behind the battery?, my Haynes manual doesn't even have that part in there.
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