Question about 2000 Chevrolet Silverado 1500
The timing sensor has to be right on the mark, if not it will cause the problem you stated.
Posted on Oct 20, 2013
Testimonial: "i was thinking about the cam timing."
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Posted on Jan 02, 2017
that code usually means the distributor was moved and the cam and crank signal sync is off,you mwill need a scanner capable of data display to reset it,it should be near or at 0 degrees,if you do not have access to a scanner your local shop should be more than capable of reseting it.hope this helped
Posted on Sep 23, 2009
this is a comon problem on chevy 00-06 models a computer ground ,it seems ok at sight but inside it's just holding a few wires ,get under the car on the driver side passenger there you should find a two ground wire goin to the block a big, and a small ,the small one gets coroded try to fix it and let me know how it goes ok.
Posted on Feb 25, 2010
SOURCE: how difficult is it to
It would be the most difficult thing in the world to replace a timing belt on a 4.3L Vortec engine...It is a CHAIN driven engine. It is not real likely that there is a problem with the timing chain...unless the engine does not know what an oil change is...Not real common on that engine. What is common is failed fuel pumps at around 110,000 miles. If the fuel pump has not been changed already, that is your most likely culprit. "Hearing" the fuel pump is not good enough. You must check FUEL PRESSURE at the connector on the fuel rail. - OR you could use a small amount of starting fluid to see if the engine comes to life for a second - a good indication that it is not getting any fuel. A good place to spray some starting fluid is through the hole in the intake snorkel where the PCV breather tube goes in. (The plastic tube that runs down to the valve cover) Just pull the breather tube out of the snorkel, spray some starting fluid in and crank it up. If the engine goes VR-R-O-O-O-O-O-M! replace the fuel pump. Don't use too much, or your snorkel and air cleaner box can explode...If you can get someone to help you it would be even better...Have someone start cranking the engine just before you spray some fluid in the hole - that way, all the fluid will move directly into the combustion chambers without getting a chance to go the wrong way and flood the air cleaner box. Trust me...The elements in the Mass Airflow Sensor can get hot enough to ignite the starting fluid, so this can be a not-so-safe method of diagnosis. I know mechanics that do this all the time without any problems. I also have seen an air cleaner housing explode in a man's face...not pretty.
A timing chain that has "jumped time" can easily be diagnosed with a scanner that can read engine data. All you have to do is look at the CAM/CRANK SYNC data...it will say either "YES" or "NO" if it says YES when you crank the engine, the problem is not related to the timing chain.
The only sensors that are likely to make it just up and die on you would be the Crankshaft Position Sensor or the Mass Airflow Sensor. If it has spark, it is definitely NOT the Crankshaft Position Sensor. If it is the Mass Airflow Sensor causing the problem, it should start and run if you unplug the sensor. It will idle rough and won't have any power, but it WILL run without it.
Posted on Apr 05, 2011
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