Question about 1999 Oldsmobile Silhouette
I have had this van into 5 different mechanics. it has had 4 fuel pumps put in, new fuel filters, changed the connector to the fuel pump and the last time it was in they found corrodid wires uder the floorboard that went to the fuel pump. they fixed the wiring and it ran fine for 3 weeks and now it won't start again. the van turns over but will not start. the relay was replaced the last time the wiring got fixed, so I know it's not the relay. the recall on the vapor system was replaced in 1998, so that is apparently taken care of. does anyone have any idea what the probelm could be since 5 mechanics can't figure it out? has anyone encountered the same problem and found a solution? please help. Joe
Its real simple your crankshaft sensor is bad you need to replace it , the cost of the sensor is about $40 your problem will be solved.
Posted on Mar 01, 2010
The biggest problem with all g.m pump issues is the fuse block.even thou you test the fuel pump fuse and it is good! the problem is the female terminals in the box its self! take a test light and move the tabs closer together so fuse fits tight!
Posted on Mar 19, 2009
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You need to always start with a basic tune up, spark plugs, fuel filter and air filter, as the vehicle will not perform well if any of these three are bad. Then check all vacuum lines for cracks or breaks and replace as needed. You can also add a fuel injector cleaner into the gas tank. I recommend the black bottle of STP concentrated fuel injector cleaner, and you can purchase that at most Wal-Mart's. Good luck :O)
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