My ceFIRO

weikee

500 RPM
Senior Member
Jul 16, 2006
924
15
1,518
Maybe is the afm. Had this problem twice. I clean the AFM with CRC contact cleaner (non oil based).

I have a spare AFM, just clean the AFM with CRC and let it dry for few hours, then swap out my car AFM. Keep the dirty AFM in the store.
 

VQ20DE

Junior Member
Oct 10, 2013
20
0
501
Kuala Lumpur
finally my car infected with idle rpm dropping problem... :banghead:
is your problem same as mine? my cefiro rpm will drop to below 500rpm sometimes engine dies when i shift to N to coast. but only happens when engine cold, after driving for sometime, it's ok.
 

seizai

500 RPM
Senior Member
Thread starter
Jul 27, 2005
937
0
1,516
Kuala Lumpur
is your problem same as mine? my cefiro rpm will drop to below 500rpm sometimes engine dies when i shift to N to coast. but only happens when engine cold, after driving for sometime, it's ok.
driving time ok, only during idle...

drop till almost engine stop :confused:
 

weikee

500 RPM
Senior Member
Jul 16, 2006
924
15
1,518
Mine happen after engine fully warm up, and drove for minimal 20mins. Think the engine bay heat may have heat up the AFM making it go crazy. The car feel sluggish, and RPM may drop when you try to accelerate from standstill.

---------- Post added at 01:05 AM ---------- 6 hour anti-bump limit - Previous post was at 01:04 AM ----------

AAC dirty may cause idling problem too.
 

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