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05:51:15 - 04/25/2024
General Dakota Board
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Cotharyus
GenIII
 
10/08/2002
18:46:15
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 Subject: Engine light on (DC techs?)
IP: Logged
Message:
My truck has about 41200 miles on it. When I drove it home last night everything was dandy. I did nothing to the truck but park it and lock it. This morning when I got in and started it up the engine light stayed on. The truck runs fine, I didn't see any codes or anything, but its really annoying. Here's a few thoughts.
1) This morning was the first "cold" morning since I put in a 180 stat, but it was only about 48.
2) Friday I had some exhaust work done - but it was all from the Y-pipe back, so it shouldn't have affected the 4 o2 sensors any.
3) Bad me - I'm about 1000 miles overdue changing my oil because every day I've had off for the past two weeks its been raining. I don't know if the engine might have some sort of sensor that would pick this up or not.
Thanks for any assistance anyone can offer on this. (PS, I checked my gas cap, it was on tight, and turning it more didn't make the light go off.)
2001 QC 4x4, 4.7,5 spd, LSD, 255/70-15's, K&N Gen II Intake, Robert Shaw 180 Stat, Hanson Industries custom front bumper, Highflow cat
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CW
GenIII
10/08/2002
19:42:10
|  RE: Engine light on (DC techs?)
IP: Logged
Message:
Pull a code for it. Turn the key on three times fairly quickly and leave it on, on the third key on. It should display the code in the ODO window.
4.7 HO, CW style
2001 4.7 5sp 3.92 LSD
Ported 68mm TB, IAT adjuster, 3" flowmaster cat back, TPS @ .76V, 4" Z-tube, Roadmaster active suspention, Removed Third cat, Electric fan Convertion, HO cams, Robert shaw 180 therm, HO intake manifold.
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cotharyus
GenIII
10/08/2002
20:26:27
|  RE: Engine light on (DC techs?)
IP: Logged
Message:
The code that came up, is P 0442 - now, if you can tell me that it's not serious that'll rock. Thanks for the help so far.
2001 QC 4x4, 4.7,5 spd, LSD, 255/70-15's, K&N Gen II Intake, Robert Shaw 180 Stat, Hanson Industries custom front bumper, Highflow cat
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CW
GenIII
10/08/2002
20:46:38
| RE: Engine light on (DC techs?)
IP: Logged
Message:
Just as I thought a leak in the evaparitive emissions system (gas tank vapors). Make sure the gas cap is tight. Take it in when time permits. It is a emissions thing, nothing to worry about.
4.7 HO, CW style
2001 4.7 5sp 3.92 LSD
Ported 68mm TB, IAT adjuster, 3" flowmaster cat back, TPS @ .76V, 4" Z-tube, Roadmaster active suspention, Removed Third cat, Electric fan Convertion, HO cams, Robert shaw 180 therm, HO intake manifold.
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Cotharyus
GenIII
10/08/2002
20:55:43
| RE: Engine light on (DC techs?)
IP: Logged
Message:
Thanks CW - Is there a locking gas cap for the dakotas? I have a sneaking suspicion that someone may have been syphoning gas out of my tank - or at least thinking about it. Last week one of my neighbors interupted someone breaking into his car (which as unlocked). I think its time to take steps to protect myself.
2001 QC 4x4, 4.7,5 spd, LSD, 255/70-15's, K&N Gen II Intake, Robert Shaw 180 Stat, Hanson Industries custom front bumper, Highflow cat
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CW
GenIII
10/08/2002
21:05:22
| RE: Engine light on (DC techs?)
IP: Logged
Message:
Make sure the cap is non-vented. I think that mopar acessories makes one.
4.7 HO, CW style
2001 4.7 5sp 3.92 LSD
Ported 68mm TB, IAT adjuster, 3" flowmaster cat back, TPS @ .76V, 4" Z-tube, Roadmaster active suspention, Removed Third cat, Electric fan Convertion, HO cams, Robert shaw 180 therm, HO intake manifold.
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