Question about Cars & Trucks
What are symtoms of bad flywheel
AUTOMATIC TRANSMISSION? GRINDING WHEN STARTING, NO TRANS MOVEMENT, NOISE
Posted on Jul 21, 2013
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Posted on Jan 02, 2017
SOURCE: TPS in a 1998 GMC Jimmy
the tps is ususally at the side of the throttle body opposite where the throttle cable / tv cable mount.
sometimes it won't start, run, or run erratically. there are ways of testing this unit (by output voltage) before you commit to buying a new one. to test it you will need a dvom (digital volt ohm meter).
just a note: straight from the book... "a broken or loose tps can cause intermitten burst of fuel from the injector and an unstable idle because the ecm thinks the throttle is moving."
Posted on Sep 22, 2008
I experienced this problem, intermittant failure to start. This procedure must be done with the truck RUNNING.
Remove the cover off of your ignition switch. On the top there is a small wire connector that, once the truck is running, should be disconnected. This will turn on the 'SECURITY' light. All will be better, except the security light will be on at all times, much cheaper than replacing the ignition switch, however.
Posted on May 10, 2009
SOURCE: 1998 GMC Jimmy won't start.
could be bad ignition, leak in the fuel line, master coil that powers sparkplugs, sparkplugs, sparkplug wiring, electrical fault there could be a number of things but this is were i would start....a mechanic will help more! i hope this helps
Posted on Jan 09, 2010
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