Engine Knock
Thread Starter
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Junior User
Joined: Feb 2003
Posts: 71
Likes: 0
From: Hampton Roads, VA
Engine Knock
New to the board. Hello everyone.
I have a 1987 Bronco, with a 302, engine is stock.
Here are a few problems I need help with.
I purchased a knock sensor because of an engine knock when the engine warms up and when I accelerate, it will knock, then stop. Is this a possible remedy? I am running fuel system cleaner through it, but it has only been a day.
Second, no-one seems to be able to tell me where this sensor is. Chiltons has a wiring diagram for this vehicle showing it is there, but I can't find it with the wiring colors given.
http://www.cybrrpartspro.com/Chilton...28CH06_63.HTML
Any help would be greatly appreciated.
I have a 1987 Bronco, with a 302, engine is stock.
Here are a few problems I need help with.
I purchased a knock sensor because of an engine knock when the engine warms up and when I accelerate, it will knock, then stop. Is this a possible remedy? I am running fuel system cleaner through it, but it has only been a day.
Second, no-one seems to be able to tell me where this sensor is. Chiltons has a wiring diagram for this vehicle showing it is there, but I can't find it with the wiring colors given.
http://www.cybrrpartspro.com/Chilton...28CH06_63.HTML
Any help would be greatly appreciated.
Thread Starter
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Junior User
Joined: Feb 2003
Posts: 71
Likes: 0
From: Hampton Roads, VA
Engine Knock
I thought it might not have one too. Look at the link I posted and click figure 3. The bottom drawing for 1987 only EEC module node 23. Both advance and autozone shows one for a 1987 5.0, also.
On the lower intake manifold, is that the front or the rear of the manifold?
Could you possibly tell me where the eec module is?
Thanks again guys for any help sent my way.
Emil
On the lower intake manifold, is that the front or the rear of the manifold?
Could you possibly tell me where the eec module is?
Thanks again guys for any help sent my way.
Emil
Thread Starter
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Junior User
Joined: Feb 2003
Posts: 71
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From: Hampton Roads, VA
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Senior User
Joined: Dec 2002
Posts: 364
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From: Minneapolis USA
Engine Knock
Here is a better explanation as to where it is
It is located at the rear of the engine, just past the intake manifold in the center. Can be a real bear to find and replace with the engine in the vehicle. Fortunately my engine was out of my truck so it was not bad to replace. Unfortunately, I'm not exactly positive where the eec module is located, so i'm really no help on that question.
It is located at the rear of the engine, just past the intake manifold in the center. Can be a real bear to find and replace with the engine in the vehicle. Fortunately my engine was out of my truck so it was not bad to replace. Unfortunately, I'm not exactly positive where the eec module is located, so i'm really no help on that question.
Last edited by Border3899; Feb 27, 2003 at 11:38 AM.
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Lead Driver
Joined: Nov 2002
Posts: 9,558
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From: Concord, NC
Engine Knock
Oops I forgot to mention the EEC, but it's behind the driver's side kick panel. The plug is on the engine side of the firewall below the brake master cylinder and power brake booster.
Senior User
Joined: Dec 2002
Posts: 364
Likes: 0
From: Minneapolis USA
Engine Knock
If you are having difficulty locating the knock sensor, on some vehicles it is actually on the intake and on others it is at the rear between the two bell housing bolts. Just do some searching near the rear of the motor and you should find it.
