Accord 1993 Shudder/Vibration Problem

1993 CHEVROLET IMPALA
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CSMOHT
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  • 1 POST
Accord 1993, Odometer: 170000, Auto

The car has a strong shuddering/vibration whenever it is idle/traffic light.

It happens at both neutral/engaged gear.

The shudder is quite bad as you can see the steering wheel shakes violently up and down. Bad as it is, I can feel my seat is shaking as well.

I can seems to reduce the shudder a bit whenever i turn off the AC.
Dec 31, 2005 at 11:51 AM
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JDL
  • ✓Experienced Mechanic
  • 16,098 POSTS
Sorry for the late reply.

Clean the throttle body, check and clean the idle air system. Give it a tune-up. Check for applicable trouble codes. Your obd1, you should be able to check some codes, yourself. To check codes, you use a jumper wire between the A & B terminals at the datalink connector. Turn key just till the dash lites come on, no further, then the mil on the dash starts flashing, you count the flashes to get the codes. Your looking for two digit codes.
Mar 20, 2015 at 4:01 AM
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Suggested Repair

Clean the throttle body and idle air system, perform a tune-up, and check for OBD1 trouble codes by connecting a jumper wire between the A and B terminals at the data link connector, turning the key until the dash lights come on, and counting the two-digit MIL flash codes.

Conversation Summary

A 1993 Honda Accord with 170,000 miles has a strong shudder and vibration at idle in both neutral and gear, shaking the steering wheel and seat. The vibration lessens slightly when the air conditioning is turned off. The expert recommended cleaning the throttle body and idle air system, performing a tune-up, and checking for applicable OBD1 trouble codes.

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