Question about Volvo Cars & Trucks
EGR diaphragms get stuck and cause problems. Also test compression in the cylinders, neutral safety switch, and catalytic converter.
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Posted on Oct 04, 2015
SOURCE: BMW X5 2000 problem
There can be many causes for the car not starting. Generally it is usually a fuel or a distribution problem. Many fuel problems of this kind are related to electronic injection and ECU. This kind of troubles often need special equipment, and can be fixed only at a well equipped garage, where they can test fuel flow pressure and volume in monitoring ECU feedback at the same time.
Simple things you can do are
Checking and eventually replacing fuel filter.
Checking and eventually replacing air filter.
Check that there is no oil on top of new spark plugs.
In last case try to listen if car is running on three cylinders, this can leave uncombusted oil on cylinder, and mean there are troubles with distribution or camshaft.
It is useless replacing one of the sensors without testing them, and when a sensor is gone you usually get some additional light on your instrument panel. At a garage they will connect straight to the computer and get an error message in return, in case one of the sensors is bad.
Posted on Jul 23, 2008
Sounds like the fuel pump, as the levels of the fuel tank drop, there's less natural pressure on the fuel, which would definitely make it harder to start with a weak fuel stream from a bad pump.
Posted on Dec 04, 2009
Most likely there is an issue in the fuel delivery system. Probably a fuel pump, however i would check out things like fuel filters, pressure regulators, or pinched or damaged fuel lines before going to the expense and awkward and timly task of replacing the fuel pump which more than likely involves removing the fuel tank. About a 10 hour job if your a DIY, a mechanic in a professional atmosphere can do the job in about 3 hours. Hope this helped!
Posted on May 12, 2010
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