I have a 2000 chevy silvarado 1500 4x4. witha 5.3L SFI. My truck begin to stall out every time I stop at a traffic light or stop sign. It would sputter like it needs air or fuel. There would be very shallow exhaust discharges coming out of the tailpipe before it shuts off. i'd turn the key until it would start up again. I took it to an auto parts store to have them use the portable diagnostic device to check the problem. I was told to trouble shoot the problem and replace the crankshaft position sensor and if the problem still persists to replace the oxygen sensors. I'm not very mechanically inclined. Is it possible for me to replace on my own or does it have to be done by a professional. If I can do it on my own, I would like an illlistration on where it would be located on the truck. Thanx for your time.
I had this same problem with mt 03 Chevy silverado. I replaced crankshaft position sensor located in the roter cap on top of the distributer. However, after spending the 80$ on the sensor the service engine light remained on and the dianostic computer still indicated positioning sensor. Turns out my distributer was bad meaning basically the sensor could not send proper reading to the computer due to faulty distributer. Finding a distributer in stock was also an issue . I ended up going to junkyard removing one from 1999 model 5.3 installed it in mine along with previously purchased new sensors ,the check engine lights went off and I never had any more problems. Available for ?'s concerning installation
SCAN IT.IT COULD EGR VALVE.OR IT COULD BE THE MASS AIR FLOW SENSOR.MOST TIME WHEN A CRANK SHAFT SENSOR GO BAD.CAR WONT CRANK.
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