1997 Chevrolet Suburban 1500 Questions

All 1997 Chevrolet Suburban 1500 Questions

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ruff. Service engine soon light flashing. Ran computer scan, results show code #PO302 and PO157. Replaced plugs and wires. Little better but still ruff and same codes coming up.160,000 miles. Help!!
engine? I have one port open and one vacuum line hanging and can't find where they go. The car just started to run ruff with the "service engine soon " light flashing. Thank you-
Chevy suburban. Plugs, wires, air & gas filters and what else? Is there a distributer cap and rotor ? Car has been running perfect for past 6 years. Haven't changed anything. Also where is gas filter? Inline on frame...
I'm guessing that there are coolant lines going back to for the rear heating, how do I get to them? Thank you-Alan
My outlet has a quick release that was crossthreaded.I took it out and tried to replace with a new 1 but threads were to far out.Now I have to rethread hole.Can it be done still on the motor or does it need to come off?
Replaced distributor, updated injectors, replaced o2 censors, runs much better but still idles at around 500 rpm and runs real rough. Also has a slight backfire when idling.
replaced purge valve,turbo sensor,plugs,wires,fuel pump,fuel filter,and distributor. engine shifts out fine but if you start to slow down, it jerks. it doesn't do it everytime.
t want to shift outta 2nd 2 days ago it drove fine. replaced radiator yesterday because it had a crack please help me figure out what this is before I buy the wrong thing.
I have trouble starting my vehicle in the morning but it's not the battery could it be the sensor?
one auto store told me atomatic transmission fluid the other told me to use 80 weight gear oil who is right
This happen now a couple times, and always I bring the car to a garage and they fix it. They change out the sensor then the change out a vaccum hose they do a oil change, but now again the light is on. What else can t...