Will a bad spark plug wire cause a misfire?
Your engine is running poorly: An arcing or high-resistance plug wire will prevent the spark plug from firing properly. This results in incomplete combustion, causing the engine to misfire. As a result, the car may hesitate and shudder.
Are misfires easy to fix?
Repairing a misfiring engine can be simple or complicated, depending on the reason it is misfiring. Misfiring engines should be looked at as soon as possible, as the problem can worsen over time and damage internal components of the vehicle.
When did my Volvo S40 electrical system go bad?
This happened yesterday 1/28/16 and in April 2015 (the dealership “fixed it” but it didn’t work!!!!) yesterday, while driving home from work, the car did the scariest thing I’ve ever experienced while driving. All the lights on the dash, all the warning lights flashed several times and the car came to a complete standstill.
Are there any problems with the 2007 Volvo S40?
See all problems of the 2007 Volvo S40 . Ignition key will not turn past position 2 allowing for engine starting. The vehicle with stationary in park. Prior to latest incident, the car had occasionally gone into “limp” mode, sticking in 3rd gear but drivable. That problem would go away after a day or so.
Why is my sunroof not working on my Volvo S40?
Once it was safe to exit the freeway, we pulled into a gas station and examine the sunroof to make sure it was shut properly, which it was, not understanding why this was happening, he and I used as many pieces of napkins and cloth that we could find to sop up as much water as we could and as best as we could.
What does idle throttle setting on Volvo S40 mean?
Idle throttle setting (eg stopped at lights) became unstable, occasionally revving upto to ~2000rpm. Moments later on suburban divided main street, throttle stuck at ~2200rpm which meant I was doing 45mph (straight line) without any pressure applied to gas pedal.