rough idle

1992 TOYOTA COROLLA
108,000 MILES • 1.6L • 4 CYL • 2WD • AUTOMATIC
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KARCH1963
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Hi Guys,
I recently did a tune up on the car listed above. i changed the spark plugs gap 32, distributor cap, wires and rotor. i changed PCV as well.
Before this tune up the car had a rough start but now it starts right away, but has a rough idle.
can you please help?
Thank you.
Mar 10, 2017 at 7:06 AM
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STRAILER
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Hello,

I would recheck the spark plugs it sound like one might be cracked, if the plugs are okay I would do a compression test. here is a guide to see if you have a low cylinder.

https://www.2carpros.com/articles/how-to-test-engine-compression

Please let me know if you need anything else to get the problem fixed.

Best, Ken
Mar 10, 2017 at 12:02 PM