Engine Light accelerating
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4th Gear
Joined: Aug 2022
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Likes: 1
Engine Light accelerating
Hello!
I have a Ford F150 4.9 1995. The truck runs normal but when I accelerate the engine light comes on. What could be the reason?
I already check all vacumm lines and found one broke, fix it but didnot solve the problem.Any suggestions?
Thanks
I have a Ford F150 4.9 1995. The truck runs normal but when I accelerate the engine light comes on. What could be the reason?
I already check all vacumm lines and found one broke, fix it but didnot solve the problem.Any suggestions?
Thanks
Logistics Pro
Joined: Nov 2013
Posts: 3,922
Likes: 1,192
From: Mojave, Ca
This is usually related to your MAP sensor near your HVAC unit. It has a rubber hose running to it. Check the hose to ensure it's not cracked, broken, or disconnected.
Please take a photo of your engine compartment.
Please take a photo of your engine compartment.
Logistics Pro
Joined: Aug 2010
Posts: 3,716
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From: Chillicothe
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,704
Likes: 2,625
From: SE Florida
There are two ways to solve this.
First, just start checking and changing parts until it's fixed. People will give you all sorts of suggestions on what to fix or replace. Do them all, it's only money.
Second, read the codes and then you'll know why the light is coming on. Then you can fix only what's wrong instead of chasing a bunch of wrong guesses. Here is how to read the codes. www.troublecodes.net/ford
First, just start checking and changing parts until it's fixed. People will give you all sorts of suggestions on what to fix or replace. Do them all, it's only money.
Second, read the codes and then you'll know why the light is coming on. Then you can fix only what's wrong instead of chasing a bunch of wrong guesses. Here is how to read the codes. www.troublecodes.net/ford
Tuned
Joined: Dec 2005
Posts: 398
Likes: 56
From: Saskatchewan
When the light comes on while driving , and then goes out, like when you let off the gas, that is likely the system telling you that something is happening at that moment. Read the codes, as the others have stated, and see what code was set when the light was coming on. Mine does something similar and it seems to be related to a misfire as I'm only running on seven cylinders, but I forget what codes I retrieved. There are people here who can tell you what the codes reference, so post the results of your code reading.
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4th Gear
Joined: Aug 2022
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Thanks for your suggestion. I will check the hose.As soon as I have time, I will send you a picture. Thanks again
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4th Gear
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