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Air not blowing cold
Hi there. The "AC is not working" unfortunately does not provide enough details for me to provide a specific answer. There are many components that if they fail will cause the AC to not work, such as a low freon...
Do its fuel injectors need to be cleaned and if they do, is there an effective way to clean them without removing them??
Hi there. This could be a faulty MAF (mass air flow sensor), which regulates the air going into the engine allowing for the proper air/fuel mixture. This could also be related to the idle air control module. This also helps...
Lights staying on
Hi. You don't specify which lights are stuck on, so I'm going to assume you're talking about the headlights. The problem could be the headlight switch, a stuck closed relay, a short in the circuit or a problem with the...
Loose belt sound under hood
Hi there, even if your belts are tight, over time they can heat up and develop a glazed area which is very slippery. Do not tighten the belt more as you can damage the components attached to them. My recommendation...
Car Stalls in 2nd Gear after Starting
Test/evaluate shift solenoid(s) on transmission. You can probe for resistance on solenoid coil through the wiring harness but even if within spec, solenoid mechanism could still be sticky or intermittent. Faulty solenoids are a common cause of this type of...
Car jumping when driving
I'm not sure what you mean by jumping. If you mean the vehicle is jerking, then the issue may be an engine performance problem. If the Check Engine Light is on, the first step is to retrieve the stored diagnostic...
Loud roaring sound from engine when accelerating
It sounds like you have an exhaust leak. An exhaust leak can cause a Check Engine Light. It will give the O2 sensors a false reading. The exhaust runs nearly the length of the car and consists of two catalytic...
How to change the lifters
In order to replace the valve lifters, removal of the valve covers and rocker arm assemblies is required. The job can be a little extensive and many of the fasteners removed cannot be reused or they may cause damage to...
Chrysler 300M won't start
Try to lock and unlock the door with the key to see if the alarm is deactivated properly. If you see the thief light on the dash still lit when you try and start it, then it is not deactivated...
Broken oil seal
Hello. Thanks for writing in about your Chrysler 300M. Simply put, a broken seal won't last at all since it's already broken. When it's broken it cannot handle the pressures of the transmission pump. If you'd like assistance with this,...
I have p0203 dtc injector circuit malfunction
Hello. If this occurred right after the replacement then I would look for a pinched wire. It is common for there to be a wire that is pinched or loose or a bad connection. If everything is fine it may...
Just had radiator replaced in March but car overheated today. Fluid level fine - what could be happening?
It sounds like there may be a problem with your cooling fan. If it is not working, the car can overheat when stationary. A quick way to check this is to turn on the air conditioning. The cooling fan should...
Advice on which weight of oil to use
Your car calls for 10w30 oil. The 10w is the winter grade that is blended with the 30 weight oil. The oil 5w30 will be a good replacement and should be compatible with your car. I would not go to...
Dull knocking from the front end of the car noticeable at lower speeds
The noise would have to be heard to give a diagnosis for this. The noise may be coming from the brakes or suspension. The rack and pinion may be causing the issue but this would be difficult to determine without...
The car cuts off when it stops in traffic
If the engine stalls at a light then you may lose the throttle and power steering assist. The stalling may be caused by several different things on a high mileage vehicle. The idle control system should be looked at...
Problem with the electrical system of the car
The BCM or body control module controls all of these items and there is a technical bulletin to get the BCM reprogramed. The reprogram should fix the issue for you. The dealer will have to do the reprogram for you....
Limp mode
If you do not use the recommended fluid for Chrysler or any transmissions in general, it can cause the transmission to have shifting and slipping concerns. Even damage can be caused from incorrect fluids being used. This is why I...
Water spraying from radiator hose right underneath hood. Just had coolant system flushed. Thinking hose just needs replacing
Hi, thanks for writing in. Could be either, given recent cooling system service. If the coolant system flush was very recently, as in days ago, take it back to that shop so they can have a look. Perhaps a mechanic...
My car is overheating - 2002 Chrysler 300M
I'm sorry for the issues you are going through. There are only a few more steps that you could be experiencing. I will take you through some steps and try to get you back on track. As much...
My car is over heating. It doesn't take long for it to over heat till it is smoking and I have to turn the car off.
There are a couple of possibilities for such a rapid overheating situation. The thermostat may have failed in the "closed" position preventing the hot water from circulating and cooling in the radiator. The water pump or the serpentine drive belt...

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