Cold start and buckling issues (spark plugs) - Saab 9-5 Bulletin Board - Saabnet.com
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Cold start and buckling issues (spark plugs)
Posted by Saabinhappy (more from Saabinhappy) on Thu, 14 May 2009 07:27:55
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I recently put in NGK platinum 7's spark plugs. I have a lead foot and my drive to work is 15+ miles of high speed highway cruising with a really great 2-3 mile stretch of incline where the turbo absolutely gobbles pavement.
Recently I am getting the following symptoms which I feel are related:
-Loooooong cranks in the morning (new battery/alternator recently)
-Sometimes the car starts but buckles, like it's firing on three cyl's, requiring a restart.
-Sometimes the car starts and then does a near stall before it evens out
-When driving on the highway and I press the gas to pass and turbo goes into red, I get a buckling sensation from the engine when the engine is most loaded, I thought it was transmission, but it's not, it's a smooth, yet pronounced unexpected surge or buckle from the car usually 1-4 in a row.
There are no codes being thrown and I have never had a CEL. Warn starts are not an issue, although I still get a hiccup near stall and then it smooths out.
I have not had ANY of these symptoms before I swapped the 6's with 30K for new 7's.
I am thinking of going back to 6's since it worked for me just fine, the 7's were more of an experiment.
Could this be anything other than plugs?
That said, does anyone want to purchase a set of 7's on the cheap with 750 miles on them? naz_vegas at yahoo.com
posted by 68.160.12...
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