Question about Cars & Trucks
There are days in the morning where it cranks and starts ... then when i turn it off to deliver an envelope, and turn it back on, the car wont start! there are days when the car still cranks but does not start then will start 5 hours after! what is wrong with it? i changed distributor cap, rotor, spark plugs, and still have the same problem .... the coil seems fine and so does the fuel pump.... what can it be please?
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Posted on Jan 02, 2017
Most chevy 5.3 do not use a cap and rotor. Most have single coil per spark plug and wire. Trace spark plug wires to coil usually above the valve cover.
Posted on Dec 28, 2008
If you indeed are getting no spark on any plugs, check your plug wire that runs from the rotor to your ignition coil- the one that doesn't go to the engine. Make sure the internal connections didn't pull out and get crushed back in or fall out. Try one of your other plug wires on it and see if it fires- won't run good but you will see difference and be done troubleshooting. Other than that, you bought the rotor button and and rotor as a set right? Make sure the button metal tip is contacting the cap. If you got the wrong one, it may sit too low for the contacts even if it is long enuff. If you were getting spark, I would just say you got the firing order wrong.
Posted on May 13, 2009
SOURCE: Distributor wont spark
check the fuseble link.
you can measure it, and make sure the contact are clean and secured.
the other thing is the check the ignition switch, make sure you have 12v going to the switch.
check thermo switch on top of the block.
Posted on May 21, 2009
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