Having problems with your 2005 Chrysler 300 ?
While car is idle oil light blinks on and while driving light goes out
\015 My oil light blinks on while idle at intersection on Chrysler 300\015
First, check the oil level, if ts low that could be your problem. If its full, you could have either a faulty oil pressure sending unit, or (hopefully not), a bad oil pump. If the car is still under warranty, I'd take it to Chrysler and have them look at it. You could try a higher viscosity of oil too, but I'd make sure everything else is ok first. That cars still a little too new to be having problems like that.
To solve this problem you must take several things into account. How many miles on your engine? Has it been well maintained? Are there any other symtoms, such as rattling or knocking when starting? These are "soft" engines. They are expensive used and hard to find. They are prone to premature failure. The water pump is inside the engine and can leak coolant in small amounts into the oil. It causes sludge which both reduces the oils lubricity and eats away at the metal components. Furthermore it clogs the lubrication passages of the engine. Once you have this problem there is seldom an inexpensive solution. Changing the Crankshaft, bearings, oil pump and timing chain may work if the top end of the engine is okay. An operation of this type is like major surgery on an 80 year old man. Engine replacement is the sure fix. I recommend full synthetic oil and a short oil change interval to extend your engines life expectancy.
Repair Help & Product Troubleshooting for 2005 Chrysler 300
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