High idle is usually caused by a vacume leak. First place to check is the cold air intake manifold. All hoses, throttle body, and sensors. Throttle Position(TPS), Mass Airflow(MAS), Idle Air Control Motor (valve) IAC. Controls Idle speed
A malfunctioning throttle system can cause both a high idle as well as an engine stall.
A dirty air intake or cracked air intake tube is often the culprit.
How to Fix an Engine High Idle in Under 15 Minutes
SOURCE: my idle is way to high on my 2004 chrysler sebring
did u test for intake manifold leaks? did you disconnect the battery after the cleaning to reset idle speed control system? if u can find no leaks and system was reset then IAC may be sticking.
SOURCE: how do you replace the egr valve in a 1997
Chrysler Concorde 1993-1997 3.5L MFI 6cyl
Exhaust Gas Recirculation System
Operation
This system reduces the amount of oxides of nitrogen (NO
x
) in the exhaust by allowing a predetermined amount of exhaust gases to
recirculate and dilute the incoming fuel/air mixture. The diluted
air/fuel mixture reduces peak flame temperature during combustion,
which in turn inhibits the production of Nitrogen oxides. The principal components of the system are:
- EGR tube (connects a passage in the intake manifold to the exhaust manifold)
- EGR valve
- Electronic EGR Transducer
- Vacuum hoses
Component and System Testing
Removal & Installation
EGR Valve and Transducer
EGR valve and transducer assembly-3.5 engine
The EGR valve attaches to the back of the cylinder head-3.5L engine
Loosen, but do not remove, the EGR tube to intake manifold screws
The EGR valve attaches to the rear of the right cylinder head.
To install:
continue...
SOURCE: water pump location on 1996 chrysler concorde 3.5
under the timing belt cover, replace the timng belt when you replace water pump.
SOURCE: location of pcv valve on a 2000 chrysler concorde
PCV = Positive Crankcase Valve.
Look on top of your rear Valve Cover. There should should be a hose going onto the PCV that has a nut shaped base which is screwed into the Valve Cover.
First: remove the hose connection to the PCV.
Second: unscrew the PCV.
SOURCE: need to replace a idle air control valve on a 1999 300M Chrysler
Removal & Installation
To install:
To install:
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