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Fuel tank leak
Fuel tanks can not be repaired. If one is found to be leaking or damaged it should be replaced before continuing to drive the vehicle. A proper gas tank inspection should be performed to ensure no other damage has come...
Question
Engine smoking
Hi, thanks for writing in. It sounds like you might be leaking oil from your valve cover gaskets. When oil leaks out of the valve cover gasket it will flow down to the exhaust manifold causing the smoke and the...
Question
Shortage in wire leading to battery cable
Hello. If someone has changed the wiring from its original path without using the proper wires or connectors, it could cause a short. The wiring needs to be checked for any breaks or loose connections in order to make an...
Question
1990 Volvo 740 idles roughly
Hi there, thanks for writing in about your 1990 Volvo 740. The symptoms sound similar to a vehicle suffering from a boost leak or electronic air metering and fuel delivery faults. The vehicles do not have the new OBD-II ports,...
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1991 Volvo 740 suddenly wouldn't shift into any gear, car motionless
Thanks for writing in about your 1991 Volvo 740. For the problem to appear and go, there may be a problem with the linkage connecting the shifter handle to the transmission or the clutch may be just about worn out....
Question
Battery dies out frequently on 1992 Volvo 740
Hey there, thanks for writing in about your 1992 Volvo 740. I see where you mention the battery tests while the vehicle was running, so I will assume you had the charging system tested and it checked out fine. A...
Question
Difficulty starting 1992 Volvo 740 when the engine warms up
The fuel pressure on your 1992 Volvo 749 should be checked to make sure it is within proper specifications. If there is a clog or malfunction in the fuel system, the car may experience a poor running situation or may...
Question
Engine shakes, shuts off 1992 Volvo 740
Hey there, thanks for writing in about your 1992 Volvo 740. There are many things that can cause a shake like a worn ignition system or broken engine mounts. Being a '92, there is not an OBD-II connector, but our...
Question
Radio turns on but there's no sound
Hello, thanks for writing in about your 1991 Volvo 740. I would suggest checking all of the speaker wire connections as these often times run underneath seats and sometimes have more than one connection to get to the stereo. It...

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