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Hi, my name is***** you tell me the history of this problem? Has this car been sitting unused for a long time?
Okay, if it ran fine 2 months ago I would suspect that the plunger in the fuel distributor is stuck. If the plunger is stuck you will get way too much fuel into the engine. The fuel distributor will need to be removed to check the plunger. A compression test should be performed to make sure that the engine is okay. Cleaning or replacing the spark plugs may help but if it's getting too much fuel the spark plugs will foul out.
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I can call you in the morning if you would like to talk on the phone.
Yes phone support is an additional service. I sent you the additional service agreement yesterday. I can help you much better and faster with a phone call.