Question about 1997 Chevrolet Blazer

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97 blazer it drives fine one min the next it will spit and sputter and want to die i have replaced the fuel pump and regulater plugs and wires it builds alot of presser in gas tank so bad it poors out above the spare tire and when i take the cap off and let all the presser out it stops

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  • 18 Answers

Have the fuel injector pressure regulator checked. Also, make sure the correc fuel pump was installed... I believe the fuel pump for that vehicle is located in the gas tank itself.

Posted on Jan 18, 2013

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Posted on Jan 02, 2017

  • 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

polarcycle
  • 1392 Answers

SOURCE: 96 s10 misfire, has new plugs, new distributor

Check the injectors. They are really bad about leaking on the 4.3's.

Posted on Mar 10, 2009

  • 1 Answer

SOURCE: 97 blazer won't start. car had new fuel punp and

This sounds very similar to a problem I had...after replacing the fuel pump, I still had the same problem. Turns out, there's a switch at the bottom of the steering collum that was messed up. It was about $300 to get fixed, but worth every penny!!

Posted on May 21, 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

  • 34 Answers

SOURCE: Chevy Blazer won't start; fuel pump needs replacing

Before spending several hundres on a fuel pump, I recommend doing a fuel pressure test. You can get a test gauge pretty cheap at a parts store. If the pump is junk, you raise the truck, lower the fuel tank, unplug the electronics from the pump at the top of the tank, then with a hammer and flat head scrwedrive, gently tap the lock ring in a counter clockwise direction until it pops off. Pull the pump assembly out and install the new one. Reverse directions to install.

Posted on Jun 02, 2009

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