My personal best. Got the car in about a week ago with request to replace the remaining 5 gp's that had not been replaced. I typically approach these with dread not knowing what I am going to find. Anyway, ran the car down the interstate for a while, pulled into shop, removed intake, started the engine back up and started replacing them. Between spraying Kriol, running the engine, loosening, shutting off, etc.... got 5 done in 3 hours. Job was one of the easier glow plug light jobs I've ever done. At 150xxx miles the car was still on the original glow plugs.

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Jim