Question about 2000 Chevrolet Blazer

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2000 Chevy Blazer high RPMs - started after oil & gas & air filter change - fuel injector flushed with cleaner - Idles in P & N around 600rpm but when driving jumps to 2500 + , makes a whining sound

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  • Chevrolet Master
  • 2,428 Answers

Their are a few things this could be .
Likely related to the brakes /crouse control / abs /system .
The TCC Tourqe converter control receives information from the brake switch CC and ABS this tells the transmission what gear it should be in .However the V VS vehicle wheel speed sensors on each front wheel also send a referance voltage of ,5 v to the VCM or PCM witch ever you happen to have bolth do the same thing computer .
But their is a 3rd vvs sensor on the transmission witch monators the speed the drive shaft .
In short one of these sensors or switches are lying to the computer and makeing the transmission do crazey things you just need to figure out witch one it is
Look for something that isn't working quit right in these systems it will be a suttal thing gust like your problem

Posted on Apr 30, 2015

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Posted on Jan 02, 2017

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emissionwiz
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SOURCE: 99 Chevy Blazer

Have you tested the crank sensor? sounds like no command from PCM to pulse injectors.

Posted on Aug 25, 2008

  • 1 Answer

SOURCE: Help

I had the same problem and I found out that the battery was bad. since everything runs off the computer there wasnt enough juice to run both the car and the computer the jeep ran good after putting a new battery in it. so try this first before you spend a lot of money on a shop fix because they wont think about the battery being bad. they will want to replace everything but. hope this helps

Posted on Sep 15, 2008

  • 1 Answer

SOURCE: 2000 chevy blazer, truck cranks

Does your battery go dead?

Posted on Dec 18, 2008

  • 1118 Answers

SOURCE: cannot get 1987 chevy van 20 to keep running... stalls out

Best do a fuel pressure test. Should have chg. fuel filter from the get go. The only other filter is on the end of the fuel pump in tank. Bad gas and dirty gas will plug up fuel filter, hense burn pump up.

Posted on Apr 11, 2009

solasknows
  • 199 Answers

SOURCE: 2000 chevy blazer won't start after changing fuel filter

if it does not start after you check your distributor cap that means you took the car out of timing, when you put the distributor cap back on you did not put it is the correct position, now you need a mechanic to get the timing of the engine

Posted on Jun 26, 2009

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you'll still have a filter to stop particals out the air entering the engine but this is very easy to do yourself (filters cost between £10-£15) some redex in the fuel tank will clean your injectors ( cost around £5) you are right about 100,000 miles before tranny needs a flush but you could prob do with engine flush + oil and oil filter changed ( engine flush around £10 oil filter upto £20) all easy to DIY don't get ripped sorry i only know english prices but should be able to work out us with current exchange rate . Hope this helps

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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.

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