Question about 2005 Infiniti G35
Engine is a VQ25(DD) 2495cc Check engine light is on .Hard to start.Faults read as (1)Cam angle fault (2)Timing fault.Can you help or
Can I get an english workshop manual for this engine or any information about it (VQ25DD)
This is a stereo we see in shop for repair on a regular basis, see www.carstereohelp.com for repair. However, I have one suggestion before thinking of repair. Disconnect one of the main car battery terminals for several minutes. This is much easier then removing and reinstalling the stereo in this car. This may act as a reset and bring the changer back. Otherwise, repair is needed.
Posted on Nov 13, 2008
i just fixed this problem - the switch is bad - take out the seat - 4 bolts on the bottom 4 corners and then remove the whole switch - either buy a new one around $200 or unsauter the switch and clean it but be careful as there are a lot of parts inside that can fall out. i cleaned mine and it works fine beats spending the money.
Posted on Apr 24, 2009
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The Engine and Automatic Transmission (not applicable to manual transmissions) in this vehicles drive train are fully electronically controlled by a computer called the PCM and TCM (Power Train Control Module, Transmission Control Module). When a problem like this or other drive-ability related problems occurs the computer stores a record of the problem (there are of course some exceptions to this, like the fuel pump, engine coolant temperature sensor and MAF sensor for instance) in the form of a fault code in its memory, to read these fault codes you must have the systems memory scanned with a special tool. Once the fault code(s) are read you then must perform the appropriate diagnostic testing to find and resolve the problem(s) DO NOT REPLACE ANY PARTS UNTIL A TRAINED TECHNICAIN HAS DIAGNOSED THE PROBLEM TO AVOID SPENDING YOUR HARD EARNED MONEY ON PARTS THAT MAY NOT CORRECT THE PROBLEM. Also always check fuel pressure for correct spec for your make and engine type.
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The information below was complied by me, it explains what causes the check engine light to come on and the process of finding the cause.
When the Check Engine light is turned on the computer control unit (called the PCM) has sensed a fault in the electronic controls of the engine and/or the emission system. When this happens you will seldom feel the car engine run any different. There are about 200 possible faults that turn the Check Engine light on, to know what has developed a problem you must have the system tested, this is called an OBD2 fault code test, Kragen and Autozone parts stores do this testing for free.
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