1987 Chevrolet Blazer "spark thermostat" Questions

locating temperature sensor THE TEMP SENSOR FOR GUAGE SHOULD BE ON DRIVERS SIDE BETWEEN THE LAST TWO SPARK PLUGS, THE ONE FOT THE COMPUTER SHOULD BE @ THE THERMOSTAT HOUSING  ON A 4.3

...thermostat. Fill system back up while not running, leave the radiator cap off. Then start the engine, Watch the coolant in the in the radiator , if it continues to bubble , then it has blown head ...

thermostat. On your engine problem It is possible that you have a blown head gasket, that can be determen by a compression test, remove the spark plugs and insert a pressure gage hose in the plug hole

...spark plugs the one that looks new is the cylinder that is burning coolant Good Luck You can occasionally get even a new defective part. Put in a second thermostat. Make sure the housing unit ...

...spark plugs and wires replaced along with a new battery. The blazer just moved cross country via auto transport from Missouri to California. When the heater is turned on, the air blows cold. There is ...

...spark to my plug wires the fuel is comeing out the injectors good just not cranking up if its not you ignition module.. there is a sensor next to the thermostat , check to see if it is broken... same ...

...thermostat, cracked head, Thermo fans not working. They are a few things you can check without buying expensive equipment to check the engine. Blown head gasket= remove spark plugs and check them for ...

...spark at #1 plug. it has new cap, rotor,wires,plugs,coil, icm,cam sensor,crank sensor. all fues are good at the box, check with test light.took all wires loose, clean all, grounds, checked inline ...

...thermostat regulating temperature) Possible cause-Mechanical fault P0155 (Heated oxygen sensor (H)2S)1, bank 2,-circuit malfunction) Possible cause Wiring, H02S, ECM P0171 (System to lean, ban 1) ...

...spark loss. last, your coolant temp sensor,(next to the thermostat), may be bad. when they go bad, or are unhooked, it can make the computer read -40 degrees, and make the engine run rich, smoke, and ...