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Larrysr1957's avatar
Larrysr1957
Explorer
Apr 16, 2021

Engine idle surges up and down when stopping at lights

I have a 97 ford 460 that has an idle surge and sometimes stalls when stoppingat traffic signals or signs. The mechanics has replaced the throttle positioning sensor and the idle air control and clea...
Class A
Jarlaxle's avatar
Jarlaxle
Explorer II
Apr 18, 2021
wa8yxm wrote:
97 Fuel injected or carburetor.. That "Hunting" is a sign of running rich as i recall on a carbureted engine. Might be dirty injectors. but sure sounds like a fuel issue.... Alas. Not a ford man...


Ford went to EFI by 1989.

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