Honda/Acura Tech Honda tech discussion.

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Old 09-05-2003, 12:42 PM
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I Have a 88 CRX SI ...The car and motor are completly stock no modifacations at all... Im having a little problem. When the car is cold it runs so good, but after a little driveing and the motor warms up. It seems like it is hesitating from 1000 to about 3900
then after 3900 it picks back up..When Its cold it pulls hard all the way to 7000... The motor is wierd after it heats up with water temp about a little under half way and I start driving it.. The tempature will drop back down to the bottom.. I dont know..
The timing is pritty much on..Please help any Info would Help..


Thanks Darren
Old 09-05-2003, 12:59 PM
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Well first off have you done common maintenance lately? Plugs, wires, ect...
There must be something wrong with your temp gauge or the temp-sending unit.
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Old 09-05-2003, 04:54 PM
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It has new plugs and wires, cap,rotor common tune-up parts..
Old 09-06-2003, 08:25 AM
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is the ECU throwing any codes?
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Old 09-06-2003, 09:37 AM
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The ecu is not throwing any codes... My question is what would make the car run perfectly fine when i start it up and drive for a good 10-15 min....But then when the tempature raises it runs like shit??????
Old 09-06-2003, 01:02 PM
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if you are running cheap plugs and wires, i would go buy some NGK plugs and wires... you might also want to change your fuel filter just to make sure that your motor is getting enough fuel...

this happened to me when i first bought my car and it had cheesy plug wires...
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Old 09-06-2003, 02:28 PM
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That was the first thing i thought it was the fuel filter..I put a new one already..It has new ngk's.. The wires are some no name brand..I guess Ill try those next..But i dought it would be the wires cause then it would be doing it all the time..I was thinking mybe it was the tps..I dont know...
Old 09-06-2003, 05:13 PM
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have you checked the temp sender unit?
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Old 09-06-2003, 09:13 PM
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Change out both the coolant temp sesnors on the head under the distributor. The two one with the two woire plug tells the ecu when the car is warm. This could be your problem, it goes by the name of the ECT or TW sesnor I believe. The other sensor is a single wire nipple type plug, it goes to the gauge cluster.
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