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Engine sluggish

 
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Old 05-22-2011, 11:25 PM
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Engine sluggish

I just got my baby up and running after a three year of being broke and almost homeless. Its a 1990 SI with the 2.1 engine. I drive the car. At about 3000rpm the car cuts back,blubbers,etc.. Acceleration is slow,throttle response isn't good I have to mash pedal to the floor to make it take off. It feels like I'm pulling a heavy load.When tranny shifts to higher gear the rpm's drop and the car runs O.K. As I get close to the next shift point the car blubbers again. My rpms are again around 3000.
I get on the interstate. Hard acceleration while merging seems OK, but sluggish. When I reach cruising speed os 65mph the car bucks intermittently. The throttle response is very sluggish. I increase speed to 70mph and get a check engine light. Error code 43 shows up on the ECU. After check engine light comes on, the car stops bucking and drives a lot better. The power doesn't seem to be totally there, but the drivability improves 100%. Throttle response is better too. Now, if I stop the car and turn the engine off,then restart it,the car repeats the exact scenario as I described above. I have check the manual and I can't figure out what code 43 is in a 90 prelude si. Any thoughts?
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Old 05-23-2011, 01:25 AM
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Re: Engine sluggish

CEL-Code 43 explained

Code 43 is such a pain i have to admit. Check out that thread and also check out the online manual as there are detailed diagnosing procedures.
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Old 05-24-2011, 10:21 PM
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Re: Engine sluggish

Thanks for the help it was the O2 sensor come to find out I had one of the bad brands in it. The new one will be here shortly.
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