Question about Chevrolet Cars & Trucks
Truck idles fine until I try to drive it.
Hi, I know a trick to adjusting your timing. you will need an assistant. if the truck has an automatic transmission, you can have someone put the vehicle in reverse or drive, keeping the brake pedal pressed down firmly, press the accellerator pedal, advance the timing by turning the distributor, until you get spark knock. Then turn it back just until the spark knock goes away. this may not be the factory spec, but it will give you optimum performance.
Posted on Jan 15, 2013
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Posted on Jan 02, 2017
Your going to have to get the ECM scaned, there are to many things that can cause that. most places like Auto Zone or Part Source can scan your S 10 free of charge and can also give a how to's if you want to replace the part your self.
Good luck and hope this helps
Posted on Apr 09, 2009
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I recently had to replace my water pump 1991 Toyota pickup.Everything was going smooth.What you have to do is make sure both cams are pointed at the marks/notches on the back timing cover.The left one might be pointed a little more to the left of the notch, and the right one may be pointed a little more to the right. the crankshaft has to be pointed at 0 degrees. The only way to be sure this is done proper is to turn the engine twice... use a socket attached to the crankshaft and turn it past the 0 degree mark once, until it comes back again (the second time) both marks on the cams need to match up exactly the way they started... next set a inductive timing light to number one cylinder, and gap the diagnostic terminal under the hood (use a paper clip and connect the e terminal to the terminal (check manual for this, some years you must detach a vacuum tube!!!) after this start the truck, put the timing light on the crankshaft, and measure the timing... timing should be 10 degrees BEFORE top dead center (0 degrees) this is at idle (~700) if the engine is turning faster than this, the timing will be different.. best of luck and make sure the terminals are jumped!! otherwise the engine will try and compensate for the difference
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