I would recommend having an expert from YourMechanic come to your home to diagnose the rough idle and
replace the idle control valve if necessary.
If this is okay, then I clean the throttle body and
replace the idle control valve.
I replaced idle control valve also replaced intake boot as well as valve cover gasket along with spark plugs, BMW 325i 1994.
Not exact matches
Sounds to me like the IAC valve (
Idle Air
Control Valve) needs to be
replaced.
When they
replaced the
Idle Air
Control Valve did they reset the Keep Alive Memory?
They
replaced the
Idle Air
Control Valve twice hoping to fix the issue.
I'll also be
replacing the
idle air
control at the same time since this was related to the original engine code (p0506), as discussed in the post linked above.
After tracing the issue down to the
idle control valve (
idle would jump from 500rpm to 3500 rpm every second or two), I managed to
replace with a brand new one from the local Ford dealership (SAMCOR model, so Ford and Mazda shared a factory, even the branding all over my engine is stamped with Ford).
When you are getting the
idle control valve
replaced, your mechanic should inspect the vacuum lines for leaks.
Car air conditioning can cause a surge in the car engine if belt have slipped, the throttle body is faulty, or the
idle control valve needs
replacing.
This actually could be as simple as
replacing the
idle air
control valve (https://www.yourmechanic.com/services/
idle-
control-valve-replacement).
It is quite possible that you have a faulty mass air flow sensor (assuming it was not
replaced during your recent tune up), damaged
idle control valve or perhaps even a loose or...
If you would like a certified technician from YourMechanic can come to your home or office, diagnose the issue and
replace the
Idle Air
Control valve.
Hi there: The only things that I could think of without being there to complete a diagnostic inspection is that perhaps the
idle control valve dirty, faulty or is damaged and needs to be
replaced.
So far two bad wheel bearings, ac compressor making loud noises,
replaced battery, alternator is starting to fail (lights are flickering at
idle) has intermittent rough
idle, and the power seat
controls work intermittently.
If I have to do any amount of city driving I could literally watch the fuel gauge go down as I cruise around, part of this could be due to a faulty
idle air
control valve that has never been
replaced and is notorious for failing on this particular model of Jeep.
The program encourages policies and practices to eliminate unnecessary public school bus
idling, uses upgrading («retrofitting») buses that will remain in the fleet with better emission
control technologies and / or fueling them with cleaner fuels as well as
replaces the oldest buses in the fleet with new, less polluting buses.