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check engine light - catalytic converter - 1990 760 turbo

Help, Advice, Owners' Discussion and DIY Tutorials on all Volvo's "mid era" rear wheel drive Volvos.

1975 - 1993 240
1983 - 1992 740
1982 - 1991 760
1986 - 1991 780
1990 - 1998 940
1990 - 1998 960
1997 - 1998 V90/S90

This topic is in the MVS Volvo Repair Database » Performance Exhausts: All You Wanted To Know
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kentfather
Posts: 3
Joined: 26 May 2007
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check engine light - catalytic converter - 1990 760 turbo

Post by kentfather »

check engine light - catalytic converter - 1990 760 turbo
I just got a check engine light -- and temporary loss of power. After cooling once, runs fine. Apparently no cooling or oil problems. Someone said problem might be clogged catalytic converter.
Kent

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billofdurham
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Posts: 6507
Joined: 2 February 2006
Year and Model: 855, 1995
Location: Durham, England
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Post by billofdurham »

Does it show any fault codes?

Bill.
Work was good - retirement is better.

1996 850GLT 2.5 20v Estate Manual.
1995 Peugeot Boxer 2.5Tdi Autosleeper.
Previously:
1984 244DL, Manual, Beige.
1987 744GLE, Manual, Green.
1991 960 3.0 24v, Auto, Silver.
1994 940T Wentworth, Auto, Blue.

kentfather
Posts: 3
Joined: 26 May 2007
Year and Model:
Location:

Post by kentfather »

I don't know what fault codes my old 1990 Volvo has, or how to retrieve them. Does it have a place to connect a code reader?
Kent

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billofdurham
MVS Moderator
Posts: 6507
Joined: 2 February 2006
Year and Model: 855, 1995
Location: Durham, England
Been thanked: 5 times

Post by billofdurham »

There is a diagnostic box on the left strut tower. Instructions for use are in this thread: https://www.matthewsvolvosite.com/chat/p ... c&start=12

Although headed for 740 the basic principles are the same for the 760. I am not sure if there are more fault codes for the 760 but if you retrieve something you don't understand post it here as I have a full list of codes.

Bill.
Work was good - retirement is better.

1996 850GLT 2.5 20v Estate Manual.
1995 Peugeot Boxer 2.5Tdi Autosleeper.
Previously:
1984 244DL, Manual, Beige.
1987 744GLE, Manual, Green.
1991 960 3.0 24v, Auto, Silver.
1994 940T Wentworth, Auto, Blue.

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