truck is bogging and ticking when it gets hot on the highway. ideas?

Asked by 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

4 Answers

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.

1 out of 1 people think this is helpful.

New thermostat new Rad new water pump new pcv new plugs and wires fuel filter changed 3 years ago

19,075

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

Hmmmm, electric fan isn't comin' on (if you've got one)~

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