2004 Chevrolet Blazer Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2004 Chevrolet Blazer

The fuel level sensor in the fuel tank may fail causing erratic fuel gauge operation. Our technicians tell us that on high mileage vehicles you may wish to replace the complete fuel pump module assembly if this condition occurs.

The fuel pump may fail causing the engine to stall and not restart. Our technicians recommend replacing the fuel filter every 30,000 miles to help prevent undue strain on the fuel pump.

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

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Addressing this problem this has been done:
1) fuel system clean out
2) MAF sensor replaced
3) fuel pump and filtering replaced
4) cooling system flush with thermostat replaced

Additionally, after engine warm-up complete, runs hot as high as 240+ degrees; ambient temp approx 90+F degrees....

My car lost power going up a hill. The RPM went up to 3-4 and the speed decreased from 70-30 MPH. The car then started again and I got it up to about 50 and then 70 but then back down to 30 and then eventually the car would not start at all. There was no fluid loss and the temp stayed normal. I ...

when I try pumping gas into my blazer it will only take about 10 cents at a time

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Vehicles may have an air bag warning label with incorrect statements. This is against the Federal Motor Vehicle Safety Standard. Owners will be sent corrected labels and installation instructions. The recall began June 4, 2004. The GM recall number is 04021.

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I purchased my 2004 Blazer two years ago and have had nothing but problems with it, just found out i need to have a new window regulator put in and also all four ball joints need to be replaced. I have had them replace the gas pump as it was getting stuck at 1/4 tank and it still does all the sudden no gas go figure! Have had to replace wheel bearings on one side (that werent even bad it was...

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