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Old 10-06-2021, 04:21 PM   #2
AstraFasta
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Join Date: May 2015
Posts: 837
 
Default Re: What is this????

I think there is an unused plug at the drivers side top of the engine; common wire harness used for several engines. I'll check tomorrow if someone else doesn't get there first.

What are the codes? Auto or manual transmission?

Whilst you are on the intake system, these cars run much better after cleaning the throttlebody. You don't need to remove it to clean but be careful with fingers and the strong springs. The most important parts to clean are the edges of the butterfly and the parts of the tube the butterfly nearly contacts. Idle works best when that tiny circumference is unclogged. MAF sensor cleaner might not be strong enough and carburetor/brake cleaner could destroy throttlebody coatings; use throttlebody cleaner & a microfibre rag.
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