Chevrolet duramax diesel engine problem

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Apr 6, 2009 - It appears to have every CEL code known to man... or at least known to Dodge. ... Chevy/GMC Truck and Duramax Turbo Diesel Forum · Chevy/GMC Duramax... General · 2011 · 2013+ · 2007.5 - 2012 LMM · 2006 - 2007 LBZ .... P0039 Turbo/Super Charger Bypass Valve Control Circuit Range/Performance

easy answer call dealer give the them the vin (last 7 should do) and you should have an answer. I would be sure to have your service records in hand when you do drop it off for warranty work,

P0238 = Turbo/Super charger boost sensor 'A' Circuit High
http://www.dieselplace.com/forum/63-gm-diesel-engines/40-duramax-second-generation-2004-5-2005-lly/153584-need-kinda-quick-help-p0238-code.html

It will not help your Duramax injectors. They are not hydraulic. It will help your turbo and clean the rings in your engine. Hot Shot's Secret is a detergent and dispersant designed to clean the inside of the engine, especially the inside of oil fired injectors.

The intake air temperature sensor on a 6.6L diesel is part of the mass air flow sensor, located just outside the air filter housing, in the intake air snorkle going to the engine. The other one is for the turbo system and is located directly at the top of the engine in the inlet pipe for the turbo. This on is the intake temperature heater / sensor, and will set a totally different code relating to the turbo. The one you want is incorporated with the MAF sensor. Usually code P0101 sets.

I am told the glow plugs heat up in "firing" order, also the Duramax uses a intake air heater to warm the air on cold starts.

Hi,

If your turbo housing is getting flooded with oil the it can only come from the shaft seal on the inside of the turbo.

You will need to remove it and replace the shaft seal.

Be straight please.

change the fuel filter with a new one
let it come to operating temperature before you gun down the pedal to the medal
get a fuel cleaner injector cleaner.
turbo works good at operating temperature.
how is oil presure ?
Vitally

does the starer click when u turn the key,u could have a bad ground from the batt to the body