Question about 1999 Chevrolet Blazer

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125000 miles/99 blazer/ has no power when mashing the pedal to the floor, otherwise runs fine. kinda like a 4 barrel not kicking in.new:plugs,wires,cap,roter,coil,fuel pump& filter,intake manifold. 55psi on the fuel. air filter is good.

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  • Chevrolet Master
  • 635 Answers

Check your ignition timing, check your throttle position sensor. check your maf sensor.

Posted on Oct 14, 2013

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 6982 Answers

SOURCE: 89 s10 blazer no spark

There is no test for module in distributor, but they often cause this kind of problem. Also while in there, check the pickup coil wires to make sure they are intact.

Posted on Mar 14, 2009

  • 1 Answer

SOURCE: rough idle and runs real rough driving. Alot of fuel consumption!

If you cant connect to the PCU I would start there, check every single fuse, and grounds for the computer, If they are all good test with a know good computer!

Posted on Apr 09, 2009

  • 34 Answers

SOURCE: 1997 chevy silverado 1500 350 vortech, new fule pump not working

before you drop tank again, check fuses & relay.then disconnect fuel line @ filter turn key to on position should hear fuel pump run and get gas stream out of line. if no flow from line new pump faulty be sure & remove negative battery cable first good luck.

Posted on Jun 20, 2009

juncro
  • 467 Answers

SOURCE: 1998 astro sputtering when taking off and while at driving speed

loose vacuum line, check for same, also check the map sensor and the measure the fuel pressure, make sure its at spec

Posted on Jul 29, 2009

  • 290 Answers

SOURCE: 98 blazer 4.3 4x4. runs very rough. scan code

ethanol gas problem. add a can of SEAFOAM to tank of Premium gas. change fuel filter after 100 miles. then add SEAFOAM 3-5000 miles to keep fuel line/system;emissions, and valves clean of ethanol goop and water which is created by this awful ethanol mixture.

Posted on Aug 31, 2009

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