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I have a 2002 Chevy Blazer and overfilled the fuel. Shortly after that the check engine light went on is it coincidental? I'm disabled and low income and looking for some answers/suggestions

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  • Cars & Trucks Master
  • 424 Answers

Probably not related. Most auto parts stores will read your codes at no charge. Take it to O'reilly's, Advance or Autozone.

Posted on Nov 10, 2014

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Posted on Jan 02, 2017

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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

flacooo1
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SOURCE: I have a 2002 chevy blazer 4.3L that wont start

are you using the original key ?? sounds wear but in the key switch there is a sensor that detects if the right key is in use otherwise it will kill the power to the fuel pump or it can be a fuse look under the left rear passanger seat there is another set of fuses and the other set of fuses are on the driver side near the door and there is another set of fuses and relays inside the hook next to the battery

Posted on Apr 01, 2009

  • 335 Answers

SOURCE: I Have a 2002 blazer that starts but motor dies, surges when accelerating

If this engine is a VORTEC then you may have a problem with the internal fuel system. Under the top plenum there is a fuel reg and poppet valves that inject fuel into the cylinders. Sometimes the tubes that run fuel from the reg to the valves can leak and cause your problem. This cannot be found with pressure check because this occurrs after the reg. PS fuel mileage will go down. Let me know if this helps.Moe

Posted on May 26, 2009

  • 7 Answers

SOURCE: 2000 blazer runs rough after gas tank was overfilled

there is a vapour purge line from the tank to a charcoal cannister. The line& cannister has been contaminated with liquid gas. When the engine attempts a normal purge from cannister it gets loaded with raw gas, causing rough running and cherck engine light. Replace cannister. Never over fill gas tank, especially on hot sunny days

Posted on Jun 06, 2009

  • 1 Answer

SOURCE: 2002 Chevy Blazer, rear brake lights do not work

I had a similar problem and when i went to the auto electric place the guy said its a brake switch next to the brake pedal which is not working. He took it out and fixed it. Now its all fine.

Posted on Aug 09, 2009

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I'M WORKING ON A1997 CHEVY BLAZER THE FUEL PUMP WENT OUT AND WAS REPLACED WILL START SOME TIMES REPLACED RELAY DIDN'T FIX IT WHEN IT WILL START THE WORNING LIGHTS ON THE DASH WILL COME ON WHEN


Check the engine bulkhead main wiring connector in front of the driver on the firewall, see if it is loose or corroded, remove it and reinstall it. This can also be due to the ignition starter switch being defective on the rear of the ignition key cylinder, very common on this model..

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The abs light problem is more than likely a faulty speed sensor as for engine cutting off sounds like a low fuel pressure problem.Check the fuel pressure it should be 60-66 psi with the key on engine off.Also check the fuel pressure regulator for proper operation these regulators are known for causing this problem.

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1 Answer

Fuel pump?


Scott,
I as well have a 2002 chev blazer 4x4 4.3L, and though I have not exerrienced your paticular problem, I have experienced Service Engine Light on, and generaly I have found it is one of your sensors.
You could have a bad sensor causing your rev problem. What I do is determine if the vehicle still runs as if the service engine light has not come on.
If it runs the same, in my experience it is not as crucial as if you have a performance issue, as you do with reving. If I was you I would try to get to your mech ASAP.
I am not aa mech but, I know our chev blazer very well, and how it should perform.
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I have a 1996 Chevy Blazer 6 cylinder 4.3 Vortex engine. The check engine light has been on for a few weeks but it was running just fine. Until all of a sudden it wouldn't start last night. I had...


My first thought would be: If you repaired an emissions hose, take the car back to Auto Zone (or another parts supplier) and let them tell you what code comes up now. You eliminated one problem, now you have to find another.
I wouldn't do a fuel pump without more information.
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Where do you pour transmission fluid in for 1998 Chevy Blazer


There's a red handled dip stick located on the rear of passenger's side of the engine, this is the place you put in the fluid and check the level. A small long necked funnel helps, be carful not to overfill it as doing so may cause a major leak from over pressurization.

Jun 24, 2011 | 1998 Chevrolet Blazer

1 Answer

2004 chevy blazer. can,t pump any fuel ito tank. check engine light on. high pressure when removing cap


your tank is not venting properly. check along fuel line from tank to motor for a pressure relief valve to canister

Apr 04, 2011 | 2002 Chevrolet Blazer

1 Answer

2001 Chevy Blazer Stalls on turns and deceleration.


this could be a tuffy possible fuel pump in take more likely elec is check engine light on go back to auto zone check for codes, check engine power & grounds

Aug 30, 2009 | 2001 Chevrolet Blazer

1 Answer

2000 blazer runs rough after gas tank was overfilled


there is a vapour purge line from the tank to a charcoal cannister. The line& cannister has been contaminated with liquid gas. When the engine attempts a normal purge from cannister it gets loaded with raw gas, causing rough running and cherck engine light. Replace cannister. Never over fill gas tank, especially on hot sunny days

Jun 03, 2009 | 2002 Chevrolet Blazer

2 Answers

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check airflo sensor or potentometer,throttle pos sensor; if revs are to low when turning the wheel the power steering pump will draw power from engine, causing your other problems

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