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1987 Trans Am Shutting Down when I Let Off The Gas

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Old Apr 18, 2009 | 08:30 PM
  #1  
jkrustchinsky's Avatar
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From: San Antonio Texas
Car: 1982 Trans Am, 1986 Gmc sierra
Transmission: 700r4
1987 Trans Am Shutting Down when I Let Off The Gas

My 87 TPI motor is starting to give me trouble. When the motor is warm, it wants to bog out and die if i let off the accelerator. If i give it a little gas before it dies it will run at about 400 rpm when idling. It has a full tune up done recently. Where should i start troubleshooting. Thanks, Josh
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Old Apr 19, 2009 | 09:11 AM
  #2  
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Re: 1987 Trans Am Shutting Down when I Let Off The Gas

Start looking at the throttle body, IAC passages, and IAC for buildup of varnish. Verify the TPS voltage while you're there.
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Old Apr 19, 2009 | 09:14 AM
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From: Bridgeville, PA
Car: 1988 Trans Am GTA
Engine: 350
Re: 1987 Trans Am Shutting Down when I Let Off The Gas

i agree with vader I had the same issue, the right mechanic can do a good flush and clean all the crap out of it.
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