Question about 2006 Chevrolet Aveo

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Code P0342 - Chevy Aveo Sedan 2006. Last 2 months, when starts the car engine getting

Past 6 months, whenever starts engine getting low rpm'(fall below 1x1000rpm') which seems like the engine slows down & eventually shuts off. I normally steps little fuel to keep it above 1x1000 rpm before drove off. Last week, I'am getting Éngine Light On'indicator and when scan DTC shows P0342. Again after drove for few days, this week the indicator no longer light up. But now still getting weak sounds when starts the engine. Anyone can help to advise :: 1) is it just dirt at the CAMSHAFT sensor or really need or faulty need replace ? 2) is due to battery weakened , need replace ? last replace is Dec 2010 . 3) any problem with engine that giving low rpm ? - Pls help.

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Hello! The trouble code is telling us that the voltage to the Camshaft Positioning Sensor (CMP) is low...The connector that plugs into the sensor could be open, the sensor itself defective or low battery input to the sensor...See diagrams below as to sensor location...Lets eliminate...The wire colors in the CMP plug are...Pink...Black/White...And Light Blue/Black...If you connect a voltmeter to the Pink wire you must read 5 volts...Push a safety pin into the rear of the in-place connector into the Pink wire so it contacts the pin that the wire is crimped to...(+) probe of meter clipped to that pin and (-) probe to bare metal chassis ground...Key on...Meter set to read 5 volts...If 5 volts is present that eliminates a battery fault...Next push the safety pin into the Light Blue/Black wire...Turn on key...(+) probe to that pin...Should read about 2.4 volts...If you read nothing, or less than 1 volt the sensor is defective OR the connector pins to it are fouled...Pull plug and inspect both male/female pins for oil...corrosion...etc...Radio Shack sells a product called DeOxit...It's the best (no touch) spray contact cleaner...Send results...PS...Best meter to use is a digital one...$20...Guru...saailer
Remove engine cover:
Code P0342 - Chevy Aveo Sedan 2006.  Last 2 months - 2_25_2012_9_59_32_am.gif
CMP at top of drawing with timing chain cover removed for clarity...

Posted on Feb 25, 2012

  • Nicholas Feb 27, 2012

    Hi thanks , found out fix the prob by changing the car battery. Basically the electric/current week when passing thru the camshaft sensor. Tq for the advice.

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