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I have a 99 grand prix gtp supercharged 3.8 series 2 motor it starts right up runs fine at idle for 2 minutes then shuts down if i feather the throttle and keep it reving it stays running but when i let off the throttle it wont catch itself and shuts down any answers to my problem?
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As you see I provided you the models you can apply the transmission :The 4T65E-HD (code MN7) is a heavy duty version of the 4T65-E used with more powerful engines such as the LS4 V8 and L67/L32 supercharged V6.
Applications:
2.93:1 MN7
Pontiac Bonneville SSEi L67
Chevrolet Impala L67
Chevrolet Monte Carlo L67
Pontiac Grand Prix GTP/GXP
Buick Regal GS
Buick Riviera L67 (97-99)
So ,yes you can!
Change the spark plugs and pay special attention to the plug on bank 3. Look for physical damage on the electrode...cracked, bent etc. Use Autolite 605's copper core gapped to .055" and NEVER run less than 92 octane.
check fuel pump resister. its conector is by the batt. pump runs through it in run, not for 3 sec. when key is turned on. thats why it will start and then quit this happend to my 99 gtp
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