2000 Volvo S40 Transmission Skips and Check Engine Light Fl

ARREZZIO

MEMBER
2000 VOLVO S40
4 CYL
FWD
AUTOMATIC
114,000 MILES

I saw that a V40 2000 Volvo ownder had the same issue I've recently experienced - the transmission stalls/skips around 50mph and the check engine light flashes a few times and then goes off. I was just wondering if this is a defect of the model year and what was done to correct the problem before I take it into the dealership for repair. Of note, many of the similar issues that S40/V40 2000 owners experience (i.E. Turn signals short when hazard light's engaged, O2 sensor is defective and subject to manufacturer recall, etc) has happened with my particular car.

Sunday, April 25th, 2010 AT 8:35 AM

1 Reply

JIS001

MECHANIC
3,412 POSTS

A flashing check engine light indicates you have a severe misfire which can damage the catalytic converter so it flashes to warn you that you need to pull over and have it checkd out. Inspect the 2 coils for splits on the side. If they are replace both coils. Also what kind of spark plugs do you have? If they are not Volvo plugs I suggest you replace them with Volvo plugs. Any other brands and it will misfire. If all is good then the ignition coil harness could be bad as well. There is a capcitor inside that harness that goes bad from time to time but that is rare? If all that is good then further diagnosis needs to be done for a possible mechanical failure.

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Sunday, April 25th, 2010 AT 11:36 PM