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I got a 2003 silverado duramax after truck warms up trans goes in limp mode

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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Curt Downs

  • 1779 Answers

SOURCE: limp home mode

You need to scan for engine trouble codes. Most parts stores will do this for free, and tell you what they mean and make recommendations on what to do. The 'limp mode' kicks in to prevent damage to the vehicle when the computer gets data that something is wrong.. When you shut it off, it's temporarily reset, but then the cars computer is signaling there is still a problem, and it goes back into limp mode. If you have any questions after getting the codes 'read' , post questions and code #;s here for help. Good luck.

Posted on Apr 28, 2009

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ryan mcghee

  • 192 Answers

SOURCE: 2007 chevy silverado 2500 hd duramax shut down

mo me it sounds like low fuel volume i would check my lift pump

Posted on Sep 30, 2009

Anonymous

  • 3 Answers

SOURCE: added a bottle of diesel kleen to prevent smoking

try to remove filter and pump out fuel from the tank. the gunk you loosened with "mechanic in a bottle" goes to filter then when ENGINE IS SHUT OFF GUNK SETTLES BACK IN LINE. NEED TO PUMP IT OUT TO SOLVE PROBLEM

Posted on Nov 26, 2009

BB1BUD

  • 462 Answers

SOURCE: added a bottle of diesel kleen to prevent smoking

You need to have the codes checked. The injectors in your engine have an issue where they either bypass fuel back to the tank or crack the body and fuel goes into the oil pan.

The warranty period goes to 200k miles, sorry I don't remember how many years, I think it was 7 years.

If you had a smoke problem before you used the kleaner you already have an injector problem.

Posted on Nov 26, 2009

heyheyhey1

  • 180 Answers

SOURCE: My 2003 chevy truck goes

Symptoms - Engine Light ON (or Service Engine Soon Warning Light)
- No throttle response Possible Causes - Harness or connector (The TP sensor circuit is open or shorted.)
- Electric Throttle Control Actuator (or Throttle Body Motor)
- Accelerator Pedal Position Sensor (APP) P0220 Description Electric Throttle Control Actuator consists of throttle control motor, throttle position (TP)sensor, etc. The throttle position sensor responds to the throttle valve movement.
The throttle position sensor has the two sensors. These sensors are a kind of potentiometers which transform the throttle valve position into output voltage, and emit the voltage signal to the ECM. In addition, these sensors detect the opening and closing speed of the throttle valve and feed the voltage signals to the ECM. The ECM judges the current opening angle of the throttle valve from these signals and the ECM controls the throttle control motor to make the throttle valve opening angle properly in response to driving condition.
When is the code detected? An unexpected voltage from the TP sensor is sent to ECM.

Posted on Dec 08, 2010

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1 Answer

Irratic engine power some times goes into a limp mode at35oo rpms what causes this


Has to do with the transmission. Can be wiring/plugs from the PCM to trans, wiring inside the trans, or a solenoids inside the trans is shorting out. Have the codes read. Check the trans fluid also. When it gets low, it can cause a pressure code. This will throw it into limp mode.

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OBDII Codes 2006 Chevy 2500HD w/ 6.6L Duramax "Truck started losing power when warm, when the truck is cold for the first 10 miles or so the trunk runs great. If you give the truck full throttle it barley...


Hi Darla, your best bet is to go the dealer and get it checked up before it fails totaly. It has a fail safe for when the engine is sick it goes into 'limp home' mode. Hope that helps. Greg.

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Will reprogramming the ecm on a 2001 chev duramax help it from going into lymp mode


no it wont, it is most likely a transmission slip setting the limp mode. better save for a new allison

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1 Answer

Can someone please explain what "limp mode" is on a Duramax? I see that mentioned a lot and I have no idea what that is?


It is when there is an issue or something is broken, it puts it in limp mode so you can get it somewhere off the road without doing any further damage to whatever is wrong with it.

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2007 chevy silverado 2500 hd duramax shut down


mo me it sounds like low fuel volume i would check my lift pump

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check the transfer case, the chain maybe slipping i had this problem and it only got worse

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