Quote:
Originally Posted by Formula413
If you had a vacuum hose unhooked throw away any test results.
Yeah, that's what I was afraid of. Oh well.... Like in John Wayne's quote: "Life's hard - even harder when you're stupid". HAH!!!
I can tell you from experience that the seafoam treatment of the engine will make it very hard to start, when I did my Escort it took quite a bit of cranking and it threw a trouble code for a misfire.
Hmmm... I did the Seafoam thing on several cars a couple years ago, and don't remember the hard starting part. (of course, just 'cuz I don't remember doesn't mean it didn't happen!!!!)
I never did any before/after testing and didn't notice a difference but that car saw a lot of highway miles and likely had very little carbon buildup inside the engine. I got some smoke but not a lot.
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Yeah, my car's had mixed driving. I just wanted to do something to make sure it wasn't totally filthy before testing another additive in it. And it seems the consensus is a Seafoam treatment every couple of years is a good idea to help keep the injectors from getting too dirty...