Thanks for the reply. I have read that some people's fuel injectors go out(about$58) goes bad, gets replaced and fixes the issue. ill do the easy stuff like MAF cleaning , fuel pump and other stuff first.
if i ever get it fixed ill let you know.
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Try changing out the crank position sensor if this sensor is bad it doesnt send the signal to the computer telling it you are trying to start the engine and the computer controls fuel flow at the injectors if it doesnt recieve this signal from the crank position sensor you will never get it started good luck and let me know if this fixed your problem thanks.
Most likely a bad Injector there are two of them depending on the engine you have, and the fuel injection system. How ever are you sure it's to much fuel or not enough air? A dirty air filter could cause this but not likely. But if the map or maf sensor was bad it could cause the engine to flood out. Let me know if you need more help with this just reply to e-mail you get from this site thanks for using fix-ya.
A bad fuel injector can cause spark plug issues. If the injector does not supply enough fuel, the cylinder(s) without enough fuel will run hot, often damaging the spark plugs.
But your mechanic needs to make sure that the injector is the issue and not a fuel pressure issue from regulator, filter, or pump. Hopefully he/she has already done those checks.
As far as the labor cost being less the spark plugs wouldn't be removed during the fuel injector replacement. Even if they did, most mechanics won't cut the price. But if you are a regular customer it can't hurt to ask.
usually with approx 100,000 miles ive seen 6.0 liters have injector problems,try changing the fuel filters,if that doesnt help consider replacing injectors.You can loosen each injector up while running to see if there is a change,if so then that one is working.you can try seafoam in the fuel but it would take a while to clean the injectors,but it could fix it i suppose,if you are lucky.Being a diesel owner there is important servicing that needs to be done,fuel filters are important to keep the fuel clean and to the injectors,keeps the injectors from drying out and wearing out.
When your engine is running lean that means it's not getting enough fuel.So if it's one side (or bank) of the motor then possibly you have an injector problem on that side.You'll want to get a fuel pressure test to see if the fuel system pressure is up to specifications.Then get the injectors tested.These tests are simple and realitivly cheap.
well a P0172 is a rich condition. meaning too much fuel entering the exhaust. a bad wire, plug, stuck open fuel injector, and or a bad fuel pressure regulator could be the problems. Just have to start testing each one.
I think it sounds like your CAM sensor has fallen off or is faulty.
The computer controls the ignition timing and the injectors to squirt fuel in to the pistons at the right time. If the computer doesn't sense the cam angle correctly as you accellerate it can't put fuel into the pistons to match the opening and closing of the valves.
If you have a manual you can strip down the top of the engine to see the timing gears on the end of the Cam shaft and see if you can see the cam sensor and if there is anything obviously wrong (i.e. its missing) but you may be as well getting to the dealer to have it checked out and fixed. So the good Fuel pressure will not really effect the engine falling on its face as its a computer timing issue caused by bad sensor information that's causing the bad running.