Questions Ford Explorer 1999 4.0 v6 have lean code and IAC valve code it will accelerate but won't gain over around 3 to load speed and won't shift up 4.0 v6 have lean code and IAC valve code it will accelerate but won't gain over around 3 to load speed and won't shift up What is your question?
It's all the time now but hit all at once replace the TPS sensor fuel pressure regulator mass air flow sensor both upstream oxygen sensors
What makes this problem better or worse?
Nothing
How long has your 1999 Ford Explorer had this problem?
Few weeks
0 Replies
This question doesn't have any answers yet
Get the conversation going by signing in or creating an account
Submit an Answer Similar Questions Crank but no start 1 person has answered this
Engine cutting out 1 person has answered this
How do I fix 2014 Ford Explorer LTD running rich and 9 other codes? 1 person has answered this
See more 1999 Ford Explorer Questions
What are the best Ford repair shops? RepairPal Certified shops can diagnose and repair your 1999 Ford Explorer. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
1999 Ford Explorer Resources
