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2008

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Question
cylinder 7 misfire
It is possible there is low compression in the misfiring cylinder due to a fault with the rings or valves in that cylinder. Another possible cause of this is a faulty fuel injector in that cylinder. Whatever the underlying fault...
Question
What happens at year 9 for maintenance?
Hi John. Thanks for contacting us today. I'm not sure which chart or graph you're referring to, so I can't really comment on the extensive price increase. However, we've created a really great maintenance search tool here on our website,...
Question
How do I get my communication back with my ECU on my 08 Silverado 4.3 -U0100 code after I installed new ignition starter switch
Prior to performing diagnostics be sure you have a fully charged battery that passes a load test. Then, confirm that the engine immobilizer system (security system) is not activated thus preventing the car from starting. Be sure the keys are...
Question
My AC works most of the time, but sometimes it doesn't turn on. Is this normal, or will this get worse?What could be wrong?
Hi Julissa. Thanks for contacting us today. There are several possibilities here, ranging from a damaged AC actuator, loose electrical connections or a damaged AC control module. Since there are multiple possibilities that could be causing the AC to not...
Question
My car over heated 4 times and there is a loud rattle noise coming from the right hand side .
When your car overheats, it's best to find the problem before driving the car again. Each time the engine overheats, there is a little bit of damage done whether you can notice it or not and it can eventually shorten...
Question
My car over heated 4 times and there is a loud rattle noise coming from the right hand side .I have a ford mondeo 2008 not Ford Fo
The overheating has to be resolved first as continued overheating will basically ruin the engine. Once the engine is not overheating, the other issues would be resolved. The only caveat to this advice is if on initial inspection, the rattling...
Question
I've replaced pads, caliper, brake hose and rotor and still have issues with that particular wheel. I don't know what else to do.
If the rotor is mounted to a drive axle, it will be hard to turn, although limited motion is possible due to slop in the geartrain. If you are referring to a freewheeling position (rear wheel for instance), if the...
Question
Whining noise in my 2008 Nissan Altimas CVT Transmission
The answer to your question is maybe. Maybe you can quiet the sound with a fluid change, maybe you have to put up with it. I don't recommend changing the fluid yourself, there are often procedures that involve measuring the...
Question
Car turns on but shifter shuts off and car won't move.
What you are describing is likely an electrical fault involving the safety shift interlock. This problem can be diagnosed and resolved on a mobile basis, right at your location, if you request a transmission shift interlock diagnostic/repair. To temporarily resolve...
Question
Car radio won't turned off.
The on-off button probably has faulty contacts. Although the radio is technically "repairable", it is usually cheaper to install a new or used one (used ones are available from sites such as Car-Part.com). If you desire that the radio be...
Question
F150 running rich
The most common causes of too much fuel being delivered are: a dirty mass air flow sensor that overstates the amount of air entering the engine; a faulty oxygen sensor; a faulty coolant temperature sensor (the temperature signal is a...
Question
My 2008 Pontiac G8 GT has a collapsed lifter, and i want to have contact with a mechanic experienced in rebuilding Gen IV LS motor
California guidelines prohibit the modification of the camshaft that you are contemplating. Consequently, anyone in California who is actually a knowledgeable engine specialist is not going to do this kind of work because it would be flat out illegal. There...
Question
Cayennes 2006-2010 V6 models with about 100k miles: What are the most frequent unexpected repairs that you have seen?
The absolute best way to determine common problems that a particular vehicle has would be to speak with technicians who commonly work on those Vehicles if you can speak with the technician who works on Porsche every day, they will...
Question
Ac only cold at idle or low rpms
Hi Ricardo. Thanks for writing to us today. There are a few things that could cause this issue such as debris that is causing air to deflect from the compressor to cool it down or a clogged cabin filter. An...
Question
Issue with pumping gas
This is likely related to your EVAP emissions system and something called a purge valve solenoid. The EVAP system prevents fuel vapors from the fuel tank from escaping into the atmosphere. The EVAP system collects and temporarily stores the fuel...
Question
I need help ASAP !
If your case is typical, the vehicle is definitely repairable and thus the thing to do is simply first get the underlying fault properly diagnosed. Based on what you are describing, at present you are having either a hard start...
Question
I got a 2008 Chevy Tahoe and I think I got bad gas and traction light and engine light come out and it turned off how or what can
If contaminated gasoline were confirmed, the tank has to be drained and possibly cleaned (i.e., debris, if any, removed). In addition, the fuel tank pick up screen and filter might have to be serviced. But, that is "if" contaminated gas...
Question
I would like to improve performance and MPG, Is a performance chip a good option for my 2008 S550?
Hi Eric. Thanks for contacting us tonight. Unfortunately, answering questions about aftermarket add-on's is not what we offer here at YourMechanic.com. We focus on providing tips for OEM service, repairs, and maintenance. It's probably best for you to consult with...
Question
Charging issue, New alternator/battery
Hi Christian. Thanks for contacting us tonight. An alternator is a mechanical system. Failure of an alternator is typically due to one of three sources. Either the internal components of the alternator fail (which is common sooner in refurbished alternators...
Question
Oil control valve code .. replaced but still engine check shows same problem
The valve timing control valve solenoid is more common cause for the code P0011 than the oil control valve is the problem. You may have a defective solenoid instead.

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