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Engine is smooth on CNG while knocks on Petrol
2007 TOYOTA COROLLA
Spark plugs changed, tappet adjusted, throttle serviced need ur suggestion. Hi 2carpros y it is so that car is smooth on CNG but rough on petrol?
have the same problem?
Saturday, June 30th, 2012 AT 7:14 PM
Have you run a scan for a knock sensor fault as yet?
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Sunday, July 1st, 2012 AT 4:58 AM
to post a reply.
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