Search found 4 matches

by ncynotts
Sun Oct 22, 2017 10:42 am
Forum: Diagnostic discussion
Topic: Fiat 500 twin air intermittent misfire when cold
Replies: 9
Views: 5840

Re: Fiat 500 twin air intermittent misfire when cold

Sorry guys, I think this will has to go as unfixed.

It is now back with customer as it no longer appears to have a fault. It appears to have fixed itself.

Thanks for all the help.
by ncynotts
Sat Oct 07, 2017 4:18 pm
Forum: Diagnostic discussion
Topic: Fiat 500 twin air intermittent misfire when cold
Replies: 9
Views: 5840

Re: Fiat 500 twin air intermittent misfire when cold

Sorry about the lack of updates on this, it’s been put on the back burner for a while. Set it up today to capture solenoid current Monday morning, but typically behaved itself and didn’t misfire at all. I grabbed a quick screenshot with my phone, but had to dash as the wife was hassling me to leave.
by ncynotts
Mon Sep 25, 2017 6:29 pm
Forum: Diagnostic discussion
Topic: Fiat 500 twin air intermittent misfire when cold
Replies: 9
Views: 5840

Re: Fiat 500 twin air intermittent misfire when cold

As I said in the original post, I first checked with the wps, then rechecked with the gauge, both agree with each other. The car starts and runs fine, other than the intermittent misfire. The compression is, I suspect, being held low by the inlet valves. I need someone who has dealt with this partic...
by ncynotts
Sat Sep 23, 2017 6:40 pm
Forum: Diagnostic discussion
Topic: Fiat 500 twin air intermittent misfire when cold
Replies: 9
Views: 5840

Fiat 500 twin air intermittent misfire when cold

Hi guys, need a little help with this one... Fiat 500 twin air 2011, 30 seconds after cold start has what feels like a single cylinder misfire for 10 seconds. Once cleared will be fine for next 24 hours. I’ve scoped injectors and ignition primary, all ok. Decided to check running compression with wp...