92 4.0 v6
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92 4.0 v6
Hi I have a few questions.
1. What makes a check engine light come on and go off and not give a code?
It only comes on occasionally.
2. What makes an engine sound like it has a dead miss once about every 5 miles? This is when the check engine light comes on. It goes off after about another half mile.
3. When I kill the engine the radiator empties into the resorvor and flattens the top radiator hose.
Thanks. I hope that was enough info.
1. What makes a check engine light come on and go off and not give a code?
It only comes on occasionally.
2. What makes an engine sound like it has a dead miss once about every 5 miles? This is when the check engine light comes on. It goes off after about another half mile.
3. When I kill the engine the radiator empties into the resorvor and flattens the top radiator hose.
Thanks. I hope that was enough info.
Moderator
Joined: Jan 2001
Posts: 56,979
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From: Virginia
The computer does have a code. It will be a memory code, not a hard code.
Here's a description. http://www.troublecodes.net/Ford/
Depending on what the code says, it may or may not help you. My first gut instinct is to pull all the sparkplugs, and see if any of them look and smell funny, like anti-freeze.
Here's a description. http://www.troublecodes.net/Ford/
Depending on what the code says, it may or may not help you. My first gut instinct is to pull all the sparkplugs, and see if any of them look and smell funny, like anti-freeze.
Post Fiend
Joined: Feb 2003
Posts: 6,940
Likes: 2
From: Eastern WA
Pull and post the codes along with which of the three types it was. Codes are stored in CM, IIRC, for 50 duty cycles after the fault was first detected.
Along with radiator cap, pinched or obstructed return line from the burp tank. You can rule out the upper radiator hose as the culprit; the radiator cap has what amounts to a check valve and takes virtually no vac to open, thus allowing coolant return.
Along with radiator cap, pinched or obstructed return line from the burp tank. You can rule out the upper radiator hose as the culprit; the radiator cap has what amounts to a check valve and takes virtually no vac to open, thus allowing coolant return.
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