Need Help
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Junior User
Joined: Jul 2004
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Need Help
Hello,
I don't get on this site much but know I can get help here.
I have a 1992 F-150 with the 4.9 six with 240,000 miles. Last thursday nite we got alot of rain. And the truck is outside. It starts fine and runs normaly, then it starts acting like it is missing after about three or four minutes of driving. On sunday I changed the rotor and cap thinking the cap may be cracked, but no change. I also hear a pinging or backfire from the motor.
Please give me any ideas that you think it could be. This is my daily driver and work truck being I am a carpenter.
Thanks John
I don't get on this site much but know I can get help here.
I have a 1992 F-150 with the 4.9 six with 240,000 miles. Last thursday nite we got alot of rain. And the truck is outside. It starts fine and runs normaly, then it starts acting like it is missing after about three or four minutes of driving. On sunday I changed the rotor and cap thinking the cap may be cracked, but no change. I also hear a pinging or backfire from the motor.
Please give me any ideas that you think it could be. This is my daily driver and work truck being I am a carpenter.
Thanks John
Thread Starter
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Junior User
Joined: Jul 2004
Posts: 77
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Thanks for the reply, Also when the truck sits for 20 minutes or so it will run normal for a little while. And when it starts running rough I can smell unburnt gas. I am going to try to get the codes read today.
John
John
Fleet Owner
Joined: Aug 2005
Posts: 23,666
Likes: 301
From: Easton,Ks
You can read the codes yourself, if you do not know how go to one of the links below:
This is good for the KOEO test:
Ford Fuel Injection How To Run a Self-Test
This one is good for the KOER test:
Ford Fuel Injection KOER Test
Or get a code reader, here is a good one.
The EQUUS #3145
This is good for the KOEO test:
Ford Fuel Injection How To Run a Self-Test
This one is good for the KOER test:
Ford Fuel Injection KOER Test
Or get a code reader, here is a good one.
The EQUUS #3145
Fleet Owner
Joined: Jan 2008
Posts: 26,898
Likes: 3
From: southern md
I kinda had the same problem was the park plug wires-but mine ran like crap till it dried out?
the coil wire was making a bad connection on the coil and to the cap figured it might help to drop that info in?
the coil wire was making a bad connection on the coil and to the cap figured it might help to drop that info in?
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