Question about 2003 Chrysler PT Cruiser
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Posted on Jan 02, 2017
PO108 (map circuit high input) MAP is manifold absolute pressure... a sensor normally mounted on the intake. your code is suggesting a problem with this sensor, or its circuitry.
Posted on May 11, 2009
P0440 and P0441 are refering to the NVLD pump. It is in the rear on the right side up near the fuel tank. P0344 is your cam position sensor on the rear (drivers side) of the cylinder head. The P0440 and 441 are probably why the check engine light is on and the 344 was stored from a previous event. Either way they are two different and unrelated problems. The NVLD (natural vacuum leak detection) pump is an emission item with no effect of the way it runs however it will keep the engine light on. The cam sensor will keep it from starting or intermittently run bad and not necessarily turn the light on. Both parts are easy to change. I hope this helps.
Posted on May 19, 2009
my old amns cruiser has the same problem i'm putting it down to loss of turbo pressure as the inlet manifold is leaking when reved
i'll let you know when manifold is replaced if it cures it
Posted on Sep 09, 2009
SOURCE: "Check Engine light"
The issue is that the system randomly checks the loop of the fuel system to confirm that it has no leaks. A missing cap is the easy one to correct. It might also be a slpit in the rubber hose that connects the fuel fill tube (on the chassis) to the one on the tank, or any other hose in the the entire fuel delivery/ fume recovery sysrtem. The solenoid that allows the engine's vacuum to be used to conduct this test can also be sticking so that after the test cycle, it doesn't reclose. Good luck
Posted on Dec 10, 2009
I had a similar problem with my car. It turned out the O2 sensors were fine and the issue was a leak in the throttle body causing the engine to run lean. If you have an ODB2 scanner you can look at fuel trims, etc and will be able to tell.
Posted on Mar 28, 2010
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