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Dodge Ram Warning Lights and Trouble Codes

196 messages,  Last post on Oct 13, 2009 at 2:18 PM

You are in the Dodge Ram Forum. Your Host is kcram

What is this discussion about? Dodge Ram Pickup 1500, Dodge Ram Pickup 3500, Dodge Ram Pickup 1500 SRT-10, Truck


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#147 of 196
How do I check by ricky1williams
Apr 14, 2009 (6:47 pm)
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I rebuilt a transmission for a 1998 dodge ram 1500 2WD. Now the overdrive light will not go off. How do I check the transmission temp. sensor and the overdrive on/off button.
#148 of 196
3500 Diesel will not RPM above idle???? by bobwinner
Apr 27, 2009 (10:00 am)
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My 2004 Dodge dually diesel with A/T suddenly will not accelerate above idle. applying foot pressure to the accelerator will move the cable linkage out at the throttle on the engine, but no RPM increase follows. The only code I show is 480 which has to do with the fan relay. Anyone help??
#149 of 196
Re: 3500 Diesel will not RPM above idle???? [bobwinner] by kcram HOST
Apr 28, 2009 (6:32 pm)
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Replying to: bobwinner (Apr 27, 2009 10:00 am)

Check to see if your fan is turning. If the computer thinks the fan is malfunctioning, it will put the engine in "limp mode" to prevent overheating. When the fan is functioning properly, the computer should "release" the engine.
 
kcram - Pickups/Wagons Host
#150 of 196
no reading from obd II scan tool by jonrambone
Apr 26, 2009 (12:23 pm)
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#151 of 196
no reading from obd II scan tool by jonrambone
Apr 26, 2009 (12:23 pm)
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i have a 2001 dodge ram 1500 and i need to get it inspected in an emissions county. We took it in to the shop and they couldn't get a reading from the scan tool. don't quite know what could be wrong. We bought a scan tool and still no reading.
#152 of 196
02 Ram 1500 trouble PO138 by paul122
May 08, 2009 (7:17 am)
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any ideas on how to trace it down
#153 of 196
Re: 02 Ram 1500 trouble PO138 [paul122] by corkscrew
May 09, 2009 (11:04 am)
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Replying to: paul122 (May 08, 2009 7:17 am)

P0138 is high voltage in oxygen sensor 2 located rear of catalytic convertor. Possible causes:
1 Faulty oxygen sensor
2 Short in sensor circuit
3 High fuel pressure (not very likely but keep this in mind)
  Check O2 sensor and look for short in signal circuit.
Regards,
Corkscrew
#154 of 196
Re: 3500 Diesel will not RPM above idle???? [kcram] by bobwinner
May 10, 2009 (6:12 am)
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Replying to: kcram (Apr 28, 2009 6:32 pm)

kcram, thank you. I had the 04 cummins 3500 with no rpm above idle, I had some sickness, and am late answering you. My fan WAS turning. I switched the throttle position sensor (AFT??) with an identical truck, and now BOTH are fine. Thank you.
#155 of 196
3500 diesel A/T problem (maybe) by bobwinner
May 10, 2009 (7:21 am)
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On a recent trip, I drove my 2004 Ram 3500 Diesel (Auto tranny, 95,000 miles) about 400 miles, no problem. I ate lunch and resumed my trip. 2 miles later, truck would not pull away from traffic light. Added 2 qts tranny fluid, which ran out below truck. Hauled truck home, replaced front tranny seal. At engine start, place in drive, after 3-5 seconds Truck has strong first or reverse, but what should be a shift to second is instead neutral. Kill and restart, and again I have a strong first or reverse for 50 ft, then neutral . Especially welcome comments from kcram and dustyk. bobwinner
#156 of 196
1998 2500 dodge by tiger38
May 11, 2009 (6:07 pm)
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I HAVE A 1998 DODGE 2500 DIESEL . MY ABS LIGHT AND MY BRAKE LIGHTS IS STAYING ON.DOES ANYONE KNOW WHAT THIS MEANS ? HOW DO YOU CHECK THE CODES ON MY TRUCK ? AND MY SPEEDOMETER IS ACTING UP TOO IT WON'T MOVE UNTIL YOU REACH ABOUT 30 MPH HEN IT SHOOTS UP REAL QUICK, ANY IDEAS ?

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