Quote:
Originally Posted by john318isau  Thanks maverick for your continued help.
I have a spare MAF so I will give it a try. I assumed "i.s." was idle speed so didn't think of the MAF, but I read that the MAF can be a cause of backfires so worth trying for sure. |
If the MAF is acting up it can make the DME assume that more idle air is needed when it's not. This is just one possible issue but it's not an uncommon fault. Since you have a spare it's a very worthwhile idea to try and swap it.
Dave
Sent from my iPhone using Tapatalk