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Our sons 1991 honda civic wagon keeps overheating. we've replaced the thermostat & fuses...wonder what fan is for what. Big one seems to be fine, what is the one in front of the radiator? Any help appreciated.
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I've had problems of overheating previously where my car's thermostat would hit 140. I think I've fixed the issue, I've replaced the thermostat but it was still doing that and 2 hoses blew and needed to be replaced. I've had to consistently fill my radiator with 50/50 antifreeze on a daily basis to ensure it won't overheat, so far that seems to be keeping the peace.
But now as of 5 days ago, I'm experiencing these new issues of stalling. Upon taking my civic into my mechanic, his meter showed that there was a misfire in the 2nd cylinder a month prior and now all 4 are misfiring. He thought it was the head gasket at first. I had just recently replaced the spark plugs with NGK Platinums, new spark plug wires and a new distributor cap.
I've received many possible culprits to my problem consisting of possibly the Throttle Position Sensor, Fuel Filter/Injection, Distributor or a radiator cap. I'm financially strapped at the moment and only could afford the radiator cap which didn't solve anything, however my radiator is running on 80% water at the moment. I'm really at a loss and I feel like I've done what I could and I'm at my wits end. Please help my poor little Civic cheat death for a little longer.
Replaced the temp sensor? "Burped" the system? Sure the thermostat is in the right way? You can even try running without the thermostat to see if that helps.
The most common overlook thing is you got a air pocket, so before you go spend your money turn Heather on full blast, open the radiator cap, car running look for air bubbles, takes patience cause you got to wait for the thermostat to open up, you must refill the coolant really really slow snail pace, some car have a bleeding valve others have two chamber on the overflow bottle,good luck, if that doesn't work change the thermostat first and if that doesn't work I'm afraid you may need to replace water pump. . water pump
any motor swap? have a block test done to check for the headgasket... it's possible you have warped the head with the list of cooling issues you have had.
overheating at idle , stop lights , slow moving traffic or hill work indicates a fan not working problem
if viscous fan hub drive off the water pump -replace the viscous hub r if electric fans check the coolant temp sensor , 2 fuses and fan relay and fan itself
of course you could have the fault codes read to see if there is a air/fuel mixture problem
SOUND LIKE ENGINE IS FLOODING. FUEL INJECTORS IS LEAKING FUEL WITH ENGINE OFF.TRY FILLING GAS TANK UP.AND PUT A BOTTLE OF FUEL INJECTION CLEANER IN GAS TANK DRIVE AROUND A LITTLE SO THE CLEANER CAN CLEAN INJECTORS.
UNDER THE HOOD IN A RECTANGULAR SHAPED BLACK BOX. UNDER THE COVER IS THE DIAGRAM FOR THE FUSES AND RELAYS. HOPE THIS HELPS. KEEP ME POSTED PLEASE. BEST OF LUCK. THANKS FOR USING FIX-YA
COULD BE COOLANT SENSOR,HEAD GASKET,CHECK THE TIMING,THE PROPER MIXTURE OF COOLANT,WATER PUMP.DID YOU HAVE IT CHECKED OUT?ANY LEAKS?HEAT WORK WITH FAN?
I've had this same problem many times and it is usually due to a power wire touching metal grounding itself out you should check the harness and maybe the wiring before and after the harness, I'm sure you will find an open wire or cut some where try that. Sik
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