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Old 12 Jul 2013, 03:07 am
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Join Date: Jul 2013
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Default Honda CRX no power and overheating?

I have an 85 Honda CRX HF with the 1.5L EW1 engine. Just very lately, it has started to overheat and has almost no power going up hills, even with high test gas. Like you have to put it in 2nd gear to keep it above 50 mph. Also, when going up a hill and it seems to lose power, the engine tends to "shudder" very badly. It shakes the whole car. Car ran perfectly right after the recent head gasket job. No overheating, lots of power. Took about three weeks (about 2K miles) for things to start going bad again. Things that have happened very recently to the car: New head gasket (with the head shaved .003"), new thermostat, new fuel pump, new fuel filters, new air filter, new cap, rotor, wires, and plugs.

Please help. This is becoming very frustrating.

Haven's smelled any unusual smells. Exhaust sounds normal. I timed the engine with a timing light and it appears to be at the factory set 21* BTDC. No coolant coming out the tailpipe. I suppose the cat converter COULD be clogged up, I have no idea how long the head gasket was bad before I bought the car. Possibly a long time. Would a clogged cat explain why the car struggles once it gets warmed up but not when it's cold?

I suppose I should check the timing again. It's been several weeks.
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Old 12 Jul 2013, 03:22 am
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Join Date: Aug 2007
Posts: 105

does it smells like rotten eggs?

or does it sounds like a baby making engine sounds. I know, but that is the best I can come up with.

in any case

IF the car still has original exhaust system I bet the catalytic converter is clogged up. specially if the car overheated and water/antifreeze came out the tail pipe.

a clogged up cat. converter, muffler, resonator. any part of the exhaust system for tat matter can make the car do what you describe.

BTW did you double checked the timing belt. IF it got loose after the job(which btw I have seen happen) it will do as you describe as well.

search redpepperracing . com its a 1st gen CRX forum.
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Old 12 Jul 2013, 03:36 am
Join Date: Apr 2013
Posts: 31

Loosen the bolts between the front pipe and cat to cause an exhaust leak and take a drive. If it runs normally, reconnect then loosen the rear cat bolts and try again. If it still runs normally, replace plugged muffler, if not, replace the cat. Another possibility is the ECT, engine coolant temp sensor. If locked cold, It would mimic running the hot engine with full choke. This would also give you a long crank time to start when engine is warm. The third is to check your timing belt and make sure the timing marks are properly aligned.
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