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Check light blues

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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MadeInJapan
MVS Moderator
Posts: 13434
Joined: 31 March 2005
Year and Model: '98 S70 T5 '07S40T5
Location: Knoxville, TN American but born in Japan
Has thanked: 17 times
Been thanked: 35 times

Post by MadeInJapan »

What octane gas are you using? Never mind, you already answered that.

What a bunch of nonsense that they tell you to take your bulb out or ignore it. What if you take your CEL bulb out and there's a major problem. Unforgivable. :evil:

I'd find another indy mechanic and get a 2nd, or is it a 3rd opinion at this point?
'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

drzeaus42
Posts: 14
Joined: 23 January 2006
Year and Model:
Location:

Post by drzeaus42 »

I have a 1999 V70 GLT with the turbo. A couple of years ago my check engine light came on with an emission system code. Independent service checked the gas filler cap (this causes most problems along with overfilling ie. topping off the gas tank which a lot of people do) then changed a small emission system related valve under the hood just behind the radiator on the drivers side. A week later check engine light emission system code, now mind you the car drives fine. Back to the service station, changed the carbon filter. A week later check engine light emission system code again. This time service wanted to take the fuel tank out and replace a sensor. I said NO NO NO. They were into me for about $500.

I went to the Volvo dealership where to make a long story short, they detected a NEGATIVE GROUND wiring problem. No more check engine lights for emission problemsto date.

Current problem is the ETM module since my car stalled without warning in heavy traffic.

My next car will be a Toyota, Lexes or Acura. thank you very much

gtg737m
Posts: 91
Joined: 1 December 2005
Year and Model:
Location: Atlanta

Post by gtg737m »

My car is currently being fixed by an independent Volvo shop and they found out that the wire harness is causing all the problems with my CEL. Apart from changing the wire harness the mechanic is going to put new knock sensors, new temperature sensor, the lines that carry the antifreeze at the back of the engine where the turbo goes are corroded and are leaking so they need to be changed, the engine has a leak from the front engine seal so the seal is going to be replaced. I'm looking at $3,000 in parts and labor at this point. Hopefully changing the wire harness will solve my check engine light problem. I'll keep everyone posted about the repairs being made to my car. Good luck to everyone who is having the same problem.

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