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You said:"The compressions are a concern though - they are very low (apart from #5 at 140 - they should all be around there )It is true yes that no one can say how long a situation would last like this - ie, the engine..before it gets un driveable.."
Does the PSI on cyl 6 and 7 make undriveable now? Other than the check engine light, should the problems be really noticeable which they were not? Also, it concerns me that the engine did not idle rough but when I got the car returned it did.