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Flashing engine light.

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Old Mar 12, 2013 | 12:19 PM
  #1  
Jordan Demers's Avatar
Jordan Demers
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Flashing engine light.

Hello everyone i'm just looking for some help with my vehicle. I own a 1998 ford f150 4.6l triton v8. I was leaving my house to go on a snowboarding trip about three weeks ago it was a rather warm wet day and all of the sudden my check engine light began to flash. I imediatly pulled over and restarted my truck, once it was started again it was solid.

I turned around and started driving towards home. I get a small amount of feedback from my speakers and usually it's a smooth whizzing sound but as i accelerated the sound began to stutter rather than remain smooth. after about 5 minutes of driving this went away and the check engine light remained on.

so today I went out it's also a wet day and it's raining quite a lot. on my way into town everything seemed okay. then on my way home the check engine light began to flash again and the feedback from the speakers became choppy again.

I would also like to mention my battery light is on but it was on prior to the first time this happened.

I'm just wondering if the belt could be loose or slipping due to the wet weather? please correct me if i'm wrong!

thanks for reading and thanks for your help!!!
 
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Old Mar 12, 2013 | 05:01 PM
  #2  
vaper's Avatar
vaper
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The flashing CEL is indicating a miss fire bad enough to destroy the catalytic converters.
Don't run this truck until you get this fixed or your cats will be destroyed.
Start with a scan for codes
Check the charging system for the battery light
 

Last edited by vaper; Mar 12, 2013 at 05:05 PM. Reason: add
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Old Mar 12, 2013 | 08:45 PM
  #3  
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Spotty
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From: Minnesota
You really need to get that code read. Since all this happens when damp out, I would suspect a bad wire(s). Most common on that year are cylinders 1234...( those are on the passenger side. The hose above #4 can weep and drop coolent right down on the plug boot and into the well. The hood cowl can leak...even water can get in from above from the squirter. Takes a looooong time for a spark plug well to dry out on its own. The noise in the radio could be from the arcing of the plug wire to ground....due to moisture. The red light could be the belt slipping due to moisture also. If you feel you are confident enough....pull the spark plug wires on those four cylindres and check for moisture....check 5678 also. Let us know what you find.
 
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