truck is bogging and ticking when it gets hot on the highway. ideas?
Asked by karinf42 Mar 22, 2013 at 09:55 PM about the 1994 GMC Sierra 1500 K1500 SLT 4WD Extended Cab SB
Question type: Maintenance & Repair
When I drive about 30 km on the highway I start to hear a loud ticking sound (like a lifter) and when I press on
the gas it boggs like I I can't get gas to it, then it cools down and stops
5 Answers
migration_judge_roy answered 11 years ago
Thermostat is not functioning properly, Coolant Level is Low, Oil needs to be changed....has this engine cooked in a past life and has the water jacket buggered up with rust? are you runnin with water instead of coolant? that'd ironize it up plenty.
New thermostat new Rad new water pump new pcv new plugs and wires fuel filter changed 3 years ago
the ticking may be detonation from hot carbon a piston destroyer, ever look at catalytic when doing this may be red hot ,partial plugged with carbon also
jarredsdad answered 5 years ago
ok i had the same sorta issue i notice watching tbi that it was a flooding issue the temp sensor was telling the ecm it was like 40below went to junk yard got a new pigtail and put in new temp sensor and all is well hope it help mine is 91 gmc with 355 ci od tranny sometimes it is the simple things remember KISS keep it simple stupid
