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850 t5 having issues after blowing a head gasket

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

1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

RedRocket850t5
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RedRocket850t5

850 t5 having issues after blowing a head gasket

Post by RedRocket850t5 » Wed Feb 15, 2017 4:20 pm

My 1997 850 t5 blew a headgasket and I want to know if the twc code means it will or already did cause damage to the catalytic converter. I drove it home which was a 45 minute drive. Also i noticed it makes loud pops if I give it some gas and let off it. I need to know if the cat is bad cause otherwise the car would be too much to fix all together and I'd probably just buy another one.
Last edited by matthew1 on Wed Feb 15, 2017 4:55 pm, edited 1 time in total.

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erikv11
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erikv11

Re: 850 t5 having issues after blowing a head gasket

Post by erikv11 » Wed Feb 15, 2017 5:35 pm

The answer about the code is still the same: if you are talking about a misfire code (P030x), it means nothing about the cat. It means repeated misfires *could* cause damage to the cat, but that rarely happens. It is just a misfire code, dozens of people get them every day without any affect on the cat.

If you are talking about some other code, post up the actual code number we can give you feedback on it.

Are you still driving the car? Does the exhaust seem clogged up or is it flowing well?
'95 854 T5-R, Motronic 4.4, 185k
'96 855 NA, 145k
'98 S70 NA, 220k (living out west)
'98 V70, T5 tune-injectors-turbo, LPT engine, 285k
'06 S60 R, 160k
gone: '96 NA 850 210k, '98 NA V70 182k

polskamafia mjl
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polskamafia mjl

Re: 850 t5 having issues after blowing a head gasket

Post by polskamafia mjl » Thu Feb 16, 2017 1:48 am

How much is a cat? You can get a new exhaust for less than 500 doll hairs. I know the south is weird but I'm certain a new cat is not a death sentence for the car. The head gasket however will certainly set you back quite a bit. That should be your main concern.
'All my money is gone and I have an old Volvo.' - Bamse's Turbo Underpants

Current: 1995 Volvo 850 T-5R Manual - Bringing it back from the brink of death
Previous: 1996 Volvo 850 GLT - Totaled

RedRocket850t5
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Re: 850 t5 having issues after blowing a head gasket

Post by RedRocket850t5 » Fri Feb 17, 2017 4:50 pm

The twc damage code is p1310
The other codes are p0301 p0303 p0300
At idle it seems like it has something clogged in the exhaust. When driving its fine.

rguzz
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Re: 850 t5 having issues after blowing a head gasket

Post by rguzz » Sun Feb 19, 2017 10:37 am

I have a perfect shape downpipe and cat from stock 855t, southern car all it's life, if you are interested pm me. Not certain what laws we violate even discussing putting a used cat back on a car, much less finding someone to do it if you're not up for it.

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