Questions & Answers for: GMC Denali p0303 code

Ad

Question about 2004 Sierra Denali

1 Answer

I don't know the code to unlock my radio Is there a book I can purchase to un lock the radio and do they have an 800 number I can call. Pat default codes are supposed to be 0000 1234 9999

Ad

04 trailblazer with inline 6 engine missing, sets off code Last spring I had the check engine light come on after the engine started missing. I found that #4 cylinder was misfiring from reading the ...

Ad

MIL on with a trouble code of P0174 I have run thru the troubleshooting tree on my OBD II scanner, checked fuel pressure, fuel filter and checked for any vaccum leaks. The fuel pump was replaced less ...

Question about 1999 Denali

1 Answer

P0303 CODE this is for eng misfire cylinder # 3 misfire try tune up

Question about 2001 Denali

1 Answer

P0303 CODE P0303 is a cylinder Misfire number 3. It can be a coil, plug, injector or intake leak. Thanks Jay!

1999 gmc 5.7 how do i reset service engine soon lite? Installed new heads engine runs great just the lite is on. sometimes as with mine i had to take it to the dealer or a trusted mechanic and have ...

1999 denali-5.7- looses power and starts to shimmy...then shifts down and struggles to stay at speed...service engine soon light begins to flash and eventually comes on solid. This happens ...

how do i resest service engine soon light on a 1999 Denali, it has stayed on for 2 days, but all the gages are fine and all fluids are full. The service engine soon light can be reset using an OBD-II ...

Question about 2001 Denali

1 Answer

Code to unlock the radio/CD player The radio/CD player is locked due to the battery being dead. Last time this happened I took it to the dealership to have it unlocked and was charged $250. Does ...

Question about 2001 Denali

2 Answers

the engine light came on this morning. My son ran a test and the message was evap. cont. systems vent valve / solenoid malfunction. What should I do? Note, the 2005 denali xl sat for 3 wks without ...

Not finding what you are looking for?

Ask a Question

Usually answered in minutes!

Popular Products

Manuals & User Guides

Loading...