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Stalls when hot

Tiny
BILLEVILLE
  • MEMBER
  • GMC C1500
Got a 1987 GMC 1500 with a 350 throttle body and 260,000 miles. Truck runs great cold - but when hot - engine dies when accelerating from a stop sign or light. There are no error codes in the computer. Have changed plugs, wires, cap, rotor, reset timing, etc. Have took this truck to several mechanics - heard everything from "distributor 'may' be magnetized" to " you 'probably' have a bad ignition switch". Please help on what to look at next. Thanks
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Thursday, February 15th, 2007 AT 4:24 PM

2 Replies

Tiny
MIKE H R
  • MECHANIC
  • 3,094 POSTS
We will start with idel speed incorect, check spark plugs, fuel filter, and see if there are any vacuum leaks.
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Monday, February 19th, 2007 AT 7:36 PM
Tiny
BILLEVILLE
  • MEMBER
  • 3 POSTS
New Plugs, wires, distributor cap, rotor, set timing, checked idle speed, and replaced the fuel filter. I guess next to check the coil and the fuel pump pressure?
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Monday, February 19th, 2007 AT 9:16 PM

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