Question about Volvo Cars & Trucks
The engine control system "learns" and adapts to the engine. As the engine wears it may need more fuel to run properly. Since there are no longer any adjustment you can make the engine management system adapts to compensate and make it run properly. Replace the battery and/or have the charging system tested first. after that is sorted out drive the vehicle for 30-50 miles and it should start to run better. Also NEVER jump late model cars as the alternator will go to full output once the jumper is removed which can spike amps to 150-175 amps all at once which can cause damage.
Posted on Apr 09, 2015
May have done something to the electronic ignition system. You may have to go to a Volvo Dealer to reprogram. Try a new battery first. My Ford had a dodgy battery and run rough as. A new battery, and she ran perfect again.
Posted on Apr 09, 2015
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Posted on Jan 02, 2017
your car is going in "limp" mode,
the computer is seeing a problem with a sensor on the transmission,so it won't up shift because it doesn't know how fast your going.
check the speed sensor,the input sensor,and the output sensor.one of these is not working correctly,
it will help when you have the car checked for codes,look for history codes section.
cycling the key resets the soft code but it will always return until repaired.
Posted on Jan 08, 2010
If you are talking about the thermo electric cooling fan, its operation is independent of the car's electical system. It is switched on and off by the engine temperature. When you park, the engine heat soaks upward to heat the thermostat turning the fan on. It will run until the engine cools down and the thermostat switches it off.
Posted on Apr 08, 2010
Testimonial: "My minds at ease now. :) Thank you."
SOURCE: Ford E-350 2001 V-10 gas.
Check your fuel vapor recovery system, your van has unusual set up, and the effect is RAW fuel gets purged, rather than vapor.
The dead giveaway test is does the issue happen on light acceleration? Does it stop if you let off the throttle? Can you accelerate harder and "get past" the issue?
Posted on Dec 12, 2010
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