20 Most Recent 1997 Pontiac Sunfire - Page 6 Questions & Answers

run fault codes and check for cat converter failure blocking exhaust system

Could be a head gasket(hopefully it ain't)

poor coolant flow water pump? air lock in system? bring to operating temp shut down than open air bleed screws.

yes the relay is on the left side of the fuse box it is about the size of a bottle cap and should be a blue or gray color it is a stocked part at most auto parts stores and a cheap about $10.00 two minute fix.

it can be the diff is gone or low fluid level leaking from the pinion seal.

Sounds like a piston rod broke.

Sounds like you have a couple bad injectors.

Check the gound,

could be two things, for one are any dash lights on? well it could be your egr or o2 sensor

Try this it worked for me on several cars and trucks! Check out the video below!

radiator hold so much fluid engine block holds so much fluid and the resevoir holds so much fluid turn car on let warm open radiator cap when the engine gets warm you will start seeing the fluid move fill till radiator fills up simplemight just need to reset the DtC's

drain coolant through petcock at bottom of radiater remove plastic cover on core suppoet remove upperhose then lower hose then the 4 10mm bolts two at top two at bottom slowly and cafefully finangle it free and remove from car repeat process for new one