1988 300inline6
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Joined: Feb 2018
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1988 300inline6
Well I'm hving a acceleration problem. Truck idles great. Sometimes when driving I will give throttle and then the engine light comes on then goes off when I let up on gas or press down. This happens when climbing hills and on the highway(speeds around 35 or higher. I'm thinking sensor. Engine coolent sensor, egr, o2, idk I'm clueless. This EEC_4 SYSTEM IS DRIVING ME NUTS
Fleet Owner
Joined: Oct 2005
Posts: 20,783
Likes: 1,751
From: Kentucky
Quit guessing. All it will do is empty your wallet. The Check Engine Light means there is a stored code or codes. Run the Key On Engine Off (KOEO) tests and stored code (CM) display.
List the two digit codes by number and when they were displayed.
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List the two digit codes by number and when they were displayed.
.
Cargo Master
Joined: Jan 2004
Posts: 3,118
Likes: 149
From: South Dakota
I assume you are talking about the RED colored "engine" light rather than the "check engine" light?
I think that is supposed to only come on with very low or no oil pressure or if the engine is overheated. Did you by chance look at the oil pressure gauge when the light was on?
I think that is supposed to only come on with very low or no oil pressure or if the engine is overheated. Did you by chance look at the oil pressure gauge when the light was on?
Hotshot
Joined: Jun 2015
Posts: 12,780
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Why would you assume that he is talking about the engine warning light and not the check engine warning light?
Cargo Master
Joined: Jan 2004
Posts: 3,118
Likes: 149
From: South Dakota
Because he said engine light, not check engine light. I guess we will have to hear back from the OP.
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Noahwilliams
1987 - 1996 F150 & Larger F-Series Trucks
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Aug 25, 2015 04:02 PM
