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Which spark plug is used on a 1985 Celica GTS to check timing?

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2005-11-21 04:39:50
2005-11-21 04:39:50

The Number One spark plug-- which is the one in front nearest the fan. Make sure to remove and plug any vacuum lines leading to the distributor before setting timing, and set with a warmed-up engine. When you finish, the vacuum line with suction on it at idle goes on the vacuum port nearest the distributor cap.

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I had that problem, now is resolved as per below; *Dirty spark plugs. *Old rusted spark plugs cables. *Old timing Distributor cap and condenser. ** Carburetor not sincronized and check your catalistic. ***If original Timing ,,it needs to be replace . Once you check all that, make your decision ,,it may cost you , but after that,, you have a great solid car.

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