Question about 1991 Volvo 740

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Check engine light on

1991 volvo 740

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Go to a ''honest'' Smog tech and have it diagnosed.

Posted on Jan 05, 2009

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1 Answer

1991 volvo slow when cold

try a good fuel system cleaner in your fuel tank first. and check your plugs may be dirty .check for dirty air filter .

Dec 05, 2013 | 1991 Volvo 740

1 Answer

1991 740 volvo stall after pedal is press

check the basics like air filter so its getting clean air make sure the throttle body plate is clean change the spark plugs of there old

Apr 05, 2013 | 1991 Volvo 740

1 Answer

My 1991 Volvo 740 will start sometimes and then at times it wont. I have replaced the in tank pump. Fuel is getting to the rail still no start.

You really need to get a code, if possible. If not, you can try to check if your getting spark. It could be the spark plugs/coils, wires, distributor, cap, or rotor. You might not be getting enough spark all the time. Best bet, if your check engine light is on, take it to Autozone and get a code. They do it for free. They can tell you what you need hopefully. If you need anything, feel free to contact me. I am here to help.

Feb 13, 2011 | 1991 Volvo 740

1 Answer

When the service light comes on in a 1991 volvo 740

when the service light comes on you take it to a volvo mechanic and he hooks a diagnostic device to it which tells him what is wrong with your car. then he tells you and gives you some options.

Jan 19, 2011 | 1991 Volvo 740

1 Answer

1991 volvo 740 B230 engine spark plug diagram.from dist. to plugs

try going to and go to their 700/900 F.A.Q. section, you will find what ever you need theiir, good luck

Oct 12, 2010 | 1991 Volvo 740

1 Answer

91 volvo 740, No brake lights changed switch still no brake lights.

Have you checked the bulbs are the fuse? If you have sounds like a short in the wiring

Aug 01, 2009 | 1991 Volvo 740

1 Answer

1991 740 Wagon electrical problems

Was the car primarily in a Southern state--no winters? If yes, it could be the wiring harness that leads to the rear wiper/stop light inside the rear tail gate. They usually break at the flex point, and short to the frame.

Feb 12, 2009 | 1991 Volvo 740

1 Answer

If timing belt on a 1991 740 volvo breaks while driving will it damage the engine?

yes, this is a high interference engine meaning high risk of valve and or piston damage is likely

Jan 07, 2009 | 1991 Volvo 740

1 Answer

Car wont start engine will crank

One of those relays supply power to the injectors. They fail, as well as the fuel pump relay, rpm sensor, and the main pump. Have you checked the trouble codes in the engine or ignition computers?


Dec 07, 2008 | 1991 Volvo 740

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