Want to know how to tune-up a Chevy truck k1500. Poor drive ability.
Running poorly-having trouble with the tune-up. Nothing seems to work-know matter
what I do. It sputters & misses, back fires with no power, & bogges down when you step
on the excerlerator peddle. How do you do a proper tune-up proceedure?
French GM Tech2 Diagnostic Card Scanner For GM at diyobd2.fr
sounds like your cat could be plugged up bro
Remove old spark plugs, disable spark by unplugging the coil, test compression, check plug gap and install new plugs, inspect cap rotor ignition wires, replace if necessary, replace air, fuel, PCV filters, check PCV valve, replace if needed, reconnect the coil, locate and disconnect the spout connect start engine and check timing, adjust if needed, stut down engine and reinstall spout connector. That is a basic tune up. But I don't think you have a tune up problem, could be a low fuel pressure problem or as stated above a plugged exhaust system. Have you pulled the codes? There could be something in the systems memory that can give you a starting place.
Thanks for your help--- I' lol give it a try.
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