2000 S40 Check engine light

Asked by Mar 18, 2008 at 07:51 AM about the 2000 Volvo S40 Turbo

Question type: Maintenance & Repair

I recently replaced the oxygen sensors in my s40 but, the check engine light is still on.  I took it to Autozone to have them reset the light, but they said that was illegal and refused to do it.  They did tell me that the light would go out after about three days  when the computer had run through its diagnostics.  Is that a true statement?

3 Answers

6,595

Sometimes, unless there is an other issue. You might want to get your mechanic to scan the car.

1 out of 1 people think this is helpful.
40,945

The readiness monitors will reset themselves after 10-15 good trips, meaning no error detected, or 150 miles. This is possibly a true statement but time will tell. Give it a few days.

1 out of 1 people think this is helpful.
4,395

Disconnect the battery for a few minutes to clear the codes. It will take a few good drive cycles for the computer to ready itself again. If there is still an o2 sensor problem however, you will most likely see the check engine light come back on after a few miles of driving. -Chris-

2 out of 2 people think this is helpful.

Your Answer

Add photo

Related Questions

S40

Looking for a Used S40 in your area?

CarGurus has 1,236 nationwide S40 listings starting at $1,700.

ZIP:

Search Volvo S40 Questions

UK Questions

Are you a UK consumer? CarGurus now has a discussion forum in the UK.

Volvo S40 Experts

#1 venom5150
venom5150
Reputation 690
#2 Tom Demyan
Tom Demyan
Reputation 320
#3 tenspeed
tenspeed
Reputation 280
View All

Related Models For Sale

Used Volvo S60
144 Great Deals out of 8,054 listings starting at $1,988
Used Volvo S80
39 Great Deals out of 1,087 listings starting at $1,750
Used BMW 3 Series
1,515 Great Deals out of 38,829 listings starting at $1,498
Used Honda Accord
994 Great Deals out of 75,204 listings starting at $899
Used Volkswagen Jetta
497 Great Deals out of 31,449 listings starting at $1,000
Used Audi A4
321 Great Deals out of 12,042 listings starting at $950
Used Honda Civic
811 Great Deals out of 70,573 listings starting at $1,200
Used Toyota Camry
1,158 Great Deals out of 97,109 listings starting at $1,250
Used Toyota Corolla
958 Great Deals out of 68,613 listings starting at $1,595
Used Mercedes-Benz C-Class
615 Great Deals out of 32,180 listings starting at $1,990

Used Cars For Sale

2011 Volvo S40 For Sale
47 listings starting at $5,997
2010 Volvo S40 For Sale
66 listings starting at $4,500
2009 Volvo S40 For Sale
87 listings starting at $4,995
2008 Volvo S40 For Sale
4 Great Deals out of 152 listings starting at $2,800
2007 Volvo S40 For Sale
6 Great Deals out of 206 listings starting at $2,900