Change PCV on high idle engine RPMS Chrysler stratus/cirrus/brez

The cause of high idle are vacuum leaks or a bad or dirty Idle air control. Check pcv valve to see if its working properly. pinch off the hose that supplies the PCV valve. The engine speed should drop slightly. If the engine returns to a normal idle speed, the PCV valve should be replaced. The Idle air control regulates engine rpms.

run fault codes to see what you are missing

bad idle air control valve

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

well the ecu try to control the idle but if there is a leak on the intake maniful after the trotlebady it can not control it check for vamum leak may be a hose the pcv valve hose on the intake

before you spen money on a idle control valve look at the engine breather pipes,and look good for a split or perished pipe

I dont think it is the PCV but its a good idea to replace the PCV at least once a year either way, and its very cheap, usually $2-$5 at autozone.

most of the time .the egr valve ports get stop up with carbon. you remove the egr valve . take a small screw driver or piece of coat hanger . see where you remove egr valve.clean carbon built up in hole. in the intake use shop vacuum to clean up before you remove the egr valve you have to remove the transducer first. dont disconnect the electrical connector. because you might have pcm problems.

Replace the PVC valve, it's probably clogged.

with the engine lt coming on with the cruise light it appears to be a trans problem like it is slipping