Question about Chevrolet Blazer

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Still trying to figure out my blazer changed the fuel filter put dry gas in and still it sputters at acceleration engine light came on had it scaned and it says the o2 sensors are bad what would cause all the o2 sensors to be bad

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  • Chevrolet Master
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The code does not say the sensors are bad.
The codes say the sensors are not within range which could be several things.
If you are getting codes for more than one O2 sensor, and the engine runs rough, you would first check fuel pressure with a gauge.

Posted on Jan 13, 2013

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SOURCE: Engine sputter

2002 linclon ls 3.0 v6 pcv location

Posted on Jul 17, 2008

  • 2 Answers

SOURCE: Engine sputters when giving gas, has a hard time accelerating

Have the cam sensor and/or crankshaft sensor checked. They could be going bad.

Posted on Aug 01, 2008

mrgreenz
  • 962 Answers

SOURCE: 1998 Cavalier 2.4 L stumbles and misses at 2000-2500 RPM

Vacuume Leaks can cause this problems. you have to do a through check of vacuum hoses and the EGR valve. Your best bet can be to have your vehicle scanned at an autozone store and get a code. The EGR has to be closed at idle, then as the engine warms up or is accelerated, the EGR opens. That is if your car does not have an electronic EGR . The electronic EGRs do not use vacuum to operate. They are controlled by the PCM (power train control Module).

Posted on Nov 20, 2008

SOURCE: 98 Cavalier 2.4L engine stumbles at 2000-2500 rpm

Could be a short in the wiring for the O2 sensor.   I currently have the same issue only my car finally threw a code after two days of it acting up.  Code 106.  Changed the MAP sensor and it now throws 108, MAP sensor high voltage circuit.  Ah the joys of cold weather and broke down vehicles.  But I know that you wont always get a code with a short.  Let me know if you fixed the problem.

Posted on Jan 08, 2009

co7196
  • 3433 Answers

SOURCE: car jerks when accelerating

The jerking can be your MAFE SENSOR. aRE YOUTELLING ME YOU ARE GOING TOTAKE OFF YOUR AIR INTAK DUCTING AND GO TO A METAL SECTION WJERE THE SENSOR IS LICATE ABD THAT ONCE YOU LOCATE IT YOU ARE GOING TO SPRAY WASH IT THOROUHHLY WITH CRC ELECTRICAL CLEANER SPRAY THAT THEY SELL AT A PARTS STORE. nOW, iF YOU ARE GOING TO DO ALL THAJUST DON'T BRUSHM RUB, OR OTHERWISE TOUCH THE SENSOR. tHE CLEANER WILL DRY QUICKLY SO YOU WON' NEED COMPRESS AIR THAT WOULD DAMAGE IT, tHEY SRE DELICATE, SENSITIVE AND LIKE A WOMAN, VERY EXPENSIVE. gOOD lUCK AND LET NE GLOW IF ALL WOTKS OUT NED

Posted on Sep 25, 2009

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