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"Check Engine" light on, is it a false alarm?

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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sju2008
Posts: 1
Joined: 2 February 2009
Year and Model: S70 1998
Location: Philadelphia, PA

"Check Engine" light on, is it a false alarm?

Post by sju2008 »

Hi my friends,

I have a 1998 S70 GLT.

I accidentally broke the fuel filler cap a few weeks ago. I managed to put the cap back on with tapes, and "Check Engine" light was not on at that point.

A few days ago, when I was about to park my car, the "Check Engine" light was suddenly on. I thought that the cap was now completely broken, so I bought a compatible new cap from AutoZone, an autoparts store. The new cap works well, but the light is still on.

My car is still running great. I don't feel anything unusaual after the light was on.

Any comments on my problem? Is this "Check Engine" alert a false one?

Thanks!

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BEJinFbk
Posts: 4067
Joined: 5 January 2008
Year and Model: '98 V70 R
Location: Fairbanks, Alaska
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Post by BEJinFbk »

If your CEL is on, Check It Out!
Why wouldn't you? It could be anything.
It probably IS just complaining about
your gas cap, but you never know...
Cheap insurance.
'98 V70 R - Well Equipped for Life Up North... ;)

MadeInJapan
MVS Moderator
Posts: 13434
Joined: 31 March 2005
Year and Model: '98 S70 T5 '07S40T5
Location: Knoxville, TN American but born in Japan
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Post by MadeInJapan »

Checking it out means having your codes read. Most any auto parts store will do this for you through your OBD port (in your arm rest). When you get the codes, write them down and post them back and then we'll be able to help you with things better.
'98 S70 T5 Emrld Grn Met/Beige Tons of Upgrades Mobil-1
'04 V70 2.5T Red/Taupe Some Upgrades Mobil-1
'07 S40 T5 AWD 6 speed manual! Silver/Black Stage1 Heico & Elevate
'07 S60 2.5T Blue/Taupe- my kid's Volvo

johnsgotwood
Posts: 8
Joined: 1 February 2009
Year and Model: V70 1997
Location: Exeter, England

Post by johnsgotwood »

Mine came on a while ago for no apparent reason. I had it checked out by a local garage with a code reader but could not find a fault. He couldn't put it out either so I thought I'd live with it for a while and take it to a dealer when I had the time.

A few weeks later I borrowed the battery out of my V70 to start another car and when I reconnected it the light had gone off and hasn't shown since.

May be worth a go!!

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