Question about 2003 Chevrolet Express
Van turns over and wants to start at first..then just cranks,, I can hear the fuel pump. i tightgned the gas cap. the security light comes on after a bit. i dont have an alarm system
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Posted on Jan 02, 2017
The van will start fine for periods of 2 - 3 weeks then will turn over & won't start. Usually within the next day or two it will start & run fine
& the cycle repeats. This has been going on since Jan. I've had it towed 5 times, looked at by 2 different mechanics & a chev dealership
mechanic. Still nobody has a clue whats going on. The van has 94,000
miles & besides this problem runs fine. I've had it for almost 7 years
without any other problems. This is beyond the point of being frustrating. I use the van for my business & its embarrasing when
I have to get it towed from a customers house. If anyone has any
ideas it would be greatly appreciated. Thank You, Bob
Posted on Apr 20, 2009
Well if theres power going to the relay but not out, then you need a new relay. If theres power in and out of the relay, you might need a new fuel pump. The electric fuel pumps inside the tank are actually lubricated by the fuel as it pumps it, and if it runs dry long enough, it can burn out the pump
Posted on Aug 03, 2009
1st ensure the fuses are all good and there is fuel in the vehicle and your not getting a false reading by tapping on the tank ..does it sound Hollow oe Empty / another way is turn on the key and listen for the pump to work a slight humming should be heard ...if so locate the fuel bar and cap screw depress the valve shielding your eyes with say a towell and see if gas dispurses make sure the key is on while doing this if no gas is there or fuel pump is heard then it may be either a bad ground to the unit or the fuel pump itself corroded connections will contribute to this as well unclipping and reclipping the connection togeather should allow a better connection
Posted on Sep 26, 2009
Start with fuel system. Listen for fuel pump humm at fuel tank No humm check wiring to pump for power. Then check for spark at plugs and wires. Remove wire from coil and hold near engine and see arch when you crank. No arch. Replace ignition Modular inside distributor cap or cap or rotor
Posted on Feb 04, 2010
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