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V8-4.4L

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2001 BMW 740il fuel pump replacement
If the pump has failed, depending on the failure mode of the pump, you can diagnose the fuel pump yourself. Turn the key to the ignition (run) position. At that instant, you should hear a momentary whirring noise from the...
Question
White smoke coming from tailpipe
Hi! The white smoke is a sign that the engines head gasket has blown and is leaking coolant into the combustion chamber. The coolant leaked into the hot combustion chamber then burns off in the form of white smoke exiting...
Question
Wheels locked
Hello, from what you describe, I think you had one of the air springs in you suspension give out. Most Range Rovers have air suspension at all four corners. When one of the air springs leaks, the car will usually...
Question
Should I purchase.
Hi there: As the owner of a 2008 BMW 128i convertible with 100,000 miles, I understand some of the benefits of having that type of 'weekend cruiser' in the garage. In general, BMW's have a few common issues that tend...
Question
Rough idling
Rough idle can be due to a bad tank of gasoline, dirty fuel injectors, incorrect idle speed, exhaust restrictions, vacuum leaks, incorrectly installed or damaged spark plugs, a defective or clogged fuel pump or fuel filter, failing electrical components such...
Question
Oil on spark plug
There can only be two ways the oil is getting on the spark plug. The piston oil control rings are stuck or broken and letting excess oil into the cylinder. The intake valves seals for the cylinder...
Question
Misfire on cylinder 8
Misfires are caused by lack of fuel or the ignition system isn't providing the needed spark. At least these are the most common single cylinder failures. It is possible, all be it remotely, that you have a compression problem, but...
Question
I was thinking about buying a 2000 land rover discovery and read a few reviews. Maintenance and gas mileage were the to biggies.
If it's reliability and low maintenance you want, you'd better look past the Land Rover. It's a shame, because they are really cool cars, but they are very expensive to maintain and are prone to failures. As much as I...
Question
Coolant leaking from car
Weather conditions and the severity of the coolant leak can all be factors as to why over heating occurs. A cooling system pressure test should be performed by a technician in order to pin point the location of the coolant...
Question
Catalytic converter replacement
Hello. It's quite possible that there is no one at fault here. It may just be unfortunate timing. I'm assuming that you have had the codes read and that is why you have decided you need to replace the catalytic...
Question
Car won't start
Hi Denise. Thanks for contacting us today. Typically, when you turn the key and get the clicking sound, it's due to one of three possible issues. Either the battery does not have enough cranking amps or cables are loose, an...
Question
Battery light on
Hello. The battery light turning on when the engine is running indicates that system voltage is low. Everything required to run the engine, and everything in the car, will drain the battery. Most likely, it is the alternator, but the...
Question
Air conditioning blows cold air
If your vehicle is blowing only semi cold air, that may be a sign that perhaps it may be running low on refrigerant. Most vehicles use R134a refrigerant, and can usually be serviced easily via the low side a/c port...
Question
Engine misfire
by many different problems and are generally caused by either a spark or fuel issue or in some cases, a combination of both. Spark related problems generally will result from things like ignition coils, crankshaft position sensor, spark plugs, spark...
Question
Car idling rough after replacing alternator
After replacing the alternator, your vehicle's ECM will need to go through a "relearning" process whereby it will take a day or two for it to relearn the computer's parameters and adjust. If by replacing the alternator, the battery was...
Question
How do i turn on the heated seats in a 2005 bmw 545i ?
Hi Travis. Thanks for sending your question to us tonight. You can find the instructions for turning on your heated seats by reviewing the owner manual. You can also click this link to access the manual online.
Question
Water leaking from pillar sunroof drain into passenger footwell
Yes, diagnosing the leak and implementing the required repairs is no problem and is a fully covered service. To request that service, you can schedule via YourMechanic's leak diagnostic service page. If the drain tube is readily accessible, I can't...
Question
I was driving and my raidiator busted and my car shut down and It won’t start
Lending cars, Whew! it never turns out well. Its hard to imagine all those things going at once. The only scenario I can come up with is that the serpentine belt may have failed, possibly damaging the radiator, but also...
Question
I have a 03 BMW 745i I was running fine untell I park it over night an when I wake up to start the car it crank put don't start
Hi Tevin. Thanks for contacting us tonight. If you can engage the starter (meaning it cranks over) but will not start, then it's either a fuel or ignition system failure. Some of the common components that can cause this include...
Question
Smoking from under the hood
The smoke could be from leaking oil that is dripping on a hot engine part, such as the exhaust manifold, and then vaporizing. An antifreeze leak is also a possibility. To resolve this, on a mobile basis, right at your...

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