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Chevy blazer troubleshooting

The visual warning lights for Temp, Oil, Fuel and Volts all came on nearly at the same time on my 2001 Blazer; yet all guages show OK and the fuel tank is full, the oil is at perfect level and the temp is nominal.

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  • Cars & Trucks Master
  • 451 Answers

Check for a broken or bad ground strap from the engine to the firewall of the engine compartment. This may be causing the problem. Hope this helps

Posted on Dec 29, 2013

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Posted on Jan 02, 2017

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SOURCE: feul temp oil pressure gauge not working

this problem sounds like a bad ground to your gauges first check your fuses with a test light take the end of light ground on battery with a long wire with alligator clip on end so you can reach around to test second thing take probe tip touch pos of battery to make sure tester lights then test all fuses first both sides most fuses have two little holes one on each side on top to put probe on fuses should light up on both sides some fuses wont light on both unless the ignition is turned to acce or for instant a headlight switch has to be on to test fuse if fuses check out okay you will have to get into the gauge instrument cluster possible if these gauges are pushed into a pin type or flat circuit board its possible loose scews and a good bump would make a bad contact in the cluster

Posted on Sep 11, 2008

  • 124 Answers

SOURCE: 2002 chevy blazer fuel pump (4 door)

yes you have to drop the tank. you will also need a fuel line tool to unhook the fuel lines. before you drop the tank see if tou can reach and wiggle the electrical connection on the top of the tank. these pumps have a pigtail issue. please rate

Posted on Dec 08, 2008

  • 11 Answers

SOURCE: 2001 chevy blazer replaced fuel pump, wants to

hi its rob was it running befor u replaced the pump if its petrol take out the spark plugs maken sure not to mess up the timeing give them a clean .if its deizil prime the system o open the injectors

Posted on Apr 26, 2009

  • 400 Answers

SOURCE: 2001 Chevy Impala gas guage incorrect

The level sensor is bad. They are easy to do. You don't have to pull the fuel tank down. There is an acsess hole in the trunk. Look in the rear of the trunk at the rear of the seats. You will notice there is a spot in the middle that the capet comes together, Pull them apart and there is metal plate with some 10mm nuts, pull that off and your fuel pump is there, remove and replace the sensor.
Also there will the a code in the pcm. you will need to clear it to pass emissions

Posted on Jun 19, 2009

  • 1 Answer

SOURCE: 2001 Volvo V70-T5 fuel guage malfunction

I had a similar issue and started to notice other electrical failures along with the gas gauge. My rear doors would not lock and my rear wiper stopped working. I started pulling fuses and relays to see if this would reset, no go. But then I hit the jackjpot. In the rear electrical panel, below all the fuses and relays is a 2" x 2" black plastic square with a big screw in it.

Remove the screw and pull evenly on the black square. This seems to be a major electrical hub for the car. I reconnected and all 3 of my issues disappeared...I read somewhere that a fix might be to disconnect the battery for a few minutes, which I guess re-sets some relays and circuits, but I guess this did the same thing. Good luck.

Posted on Sep 30, 2009

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1 Answer

2001 chevy blazer fuel pump


you will need a fuel pressure tester to screw onto the fuel rail of engine.. if pressure reads 60psi pump is good...

Jul 08, 2012 | 2001 Chevrolet Blazer

1 Answer

My 2000 Chevy Blazer battery light is on. This


Could be anything from corrosion on cables, loose cables, lose or faulty wiring of wires behind alternator
defective voltage regulator. Visually inspect all the items noted. Then use a volt meter and measure the charging voltage of the alternator. It must be between 13,5 to 14.5 volts with and without accessories on at idle and 2000rpm. Anything below 13.5 weak battery or defective alternator ,lose wiring , corrosion. Anything above the 14.5 volts is a defective regulator.

Jul 06, 2010 | 2000 Chevrolet Blazer

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2001 Chevy Blazer V6 running hot


COULD BE T STAT STICKING OR BAD TEMP SENSOR FOR GUAGE

Jul 29, 2009 | 2001 Chevrolet Blazer

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2001 chevy blazer not shifting right


Check the oil if you haven't already. If that makes no difference, change the tranny oil and filter. It can make a world of difference. Another thing it could be is your fuel filter. The engine is starving for gas, and can't shift properly.

May 20, 2009 | 2001 Chevrolet Blazer

1 Answer

2001 chevy blazer replaced fuel pump, wants to


hi its rob was it running befor u replaced the pump if its petrol take out the spark plugs maken sure not to mess up the timeing give them a clean .if its deizil prime the system o open the injectors

Apr 26, 2009 | 2001 Chevrolet Blazer

1 Answer

2000 chevy blazer starting issues


swng,
1) Is the service engine soon light ever on when engine is running?
2) Per your description I would look at the ECT sending unit. It sends coolant temperature information the the Engine Control Module for proper fuel delivery for cold engine start. It may have lost its calibration.
Let me know.
Regards,

Feb 24, 2009 | 2001 Chevrolet Blazer

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