Question about 2000 Chevrolet Silverado 1500
Posted by Anonymous on
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Posted on Jan 02, 2017
P0300 is a random engine misfire code. P 1781 is a transmission code, but it refers to a malfunctioning engine speed signal (crankshaft angle sensor). A bad crankshaft angle sensor or camshaft angle sensor can cause the P0300 code. A large list of items can cause a P0300 code, but since you have both, I'd be checking the crankshaft angle sensor and the related circuit. Sometimes, the mounting screws loosen up, which can cause the sensor to not function properly, all the time. Get this fixed, because over a period of 4 to 6 months, this can destroy the catalytic converter in the exhaust system ($$$$)
Posted on Jun 14, 2009
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you may have to drive it several days for the light to go off, or have the codes cleared. personally I would just drive it. if the computer tests it, and it passes the test, it will go off on its own.
Posted on Sep 21, 2009
SOURCE: 04 Silverado no second gear
check color and smell of trans fluid, if not bright red and had a pugnant odor then the trans needs to come out and torn down, You can try a fuel filter that can cause a driveability problem
Posted on Mar 19, 2010
This is the code for the fuel pressure sensor, either the pump is failing or the sensor is bad causing the computer to screw up the air gas mixture. Also this code is for fuel tank pressure sensor it could be bad wire or sensor or pcm computer need scanner to do the test may be local shop can help or dealer
Posted on Jan 07, 2011
SOURCE: the transmission, 4L80E, will not shift out of first, abs light is on, no speedometer, no heat or a/c, all at the same time, then all went back to normal with gerky trans shifting, then all went to ma
it could be the same problem as you have before.
it was two years, it must have regular check up or cleaning on this parts. the proper maintainance keeps engine in good condition meet problem only sometimes..
Posted on Feb 22, 2012
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