Engine Light & Rough Shifting

Tiny
FLYINBRYAN2005
  • MEMBER
  • CHEVROLET SILVERADO
I have a Chevrolet Silverado 1994 model, 67,000 miles, and 350v8. My truck runs fine whenever the engine light is off, but every once in a while it will come on. When this happens, the transmission shifts hard out of park, reverse, drive, etc. i lose overdrive, and it shifts out of first gear pretty rough. all i have to do is turn the key off and restart it and it runs fine. i may have to restart about 3 times. also, this may be a different problem, but the truck idles funny when this happens.it is not the transmission b/c if this was the problem, it would be shifting hard every time. this is not the case.


http://www.2carpros.com/forum/automotive_pictures/58605_Picture_001_1.jpg



http://www.2carpros.com/forum/automotive_pictures/58605_Picture_002_1.jpg

Saturday, February 10th, 2007 AT 12:55 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Sorry for the late reply. My first thought was to check vehicle speed sensor. Check applicable trouble codes. If you fully obd1 compliant, you can check some codes, yourself.
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Saturday, March 14th, 2015 AT 12:28 PM

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