Question about Cars & Trucks
Once in awhile when starting the truck the clock completely resets. I still have all presets. It is a brand new battery. It does it at various times not just on a cold start
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Posted on Jan 02, 2017
yes it could be , if ecm fuse is good ,some trucks have 2 ecm fuse same panel , crank sensor will also cause this problem
Posted on Feb 18, 2009
Pull the vac line off the regulator right after you stop the engine. See if there is gas in the vac line if so the regulator is bad. If no gas is present it could be the check valve in the fuel pump letting the gas pressure leak down. Get a set of gauges and hook up to the fuel lines and check for pressure loss. You will have some loss but should hold steady for several hours. Another thing to try is turn the key on and off several times before trying to start this will charge the lines if this works every time you are losing fuel pressure. If you still have trouble when doing this I would look somewhere else besides the fuel system
Posted on Mar 08, 2009
SOURCE: truck cranks but won't start
I just a very similar issue with my 1997 Chevy K1500. I changed all of the fuel components and the issue turned out to be the two prong thermostat sensor on the front of the engine. If your car will start by pressing the gas pedal all the way to floor then the issue most likely is the same. A code engine reading from that sensor will cause the vehicle to not shift into overdrive, degrade gas mileage, and make the truck hard to start when the engine is warm. If it isn't starting when cold check the fuel pressure at the injectors turn the key on and the pressure should go to about 65 psi and when you turn the key off the pressure should hold to about 60 psi.
Posted on Nov 17, 2009
I had the same problem and replaced the Dist. cap and rotor it had moisture in it and was corroded.
once replaced had no problems.
Posted on Apr 30, 2010
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