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Generic problem for all Volvo C70 Cars

My 98 c70 has a


posted by cwspook on Jul 29, 2008


my 98 c70 has a check engine light on and it says that the engine is running lean. I have changed everything from pluga to filters to O2 sensors. It runs but it hesitates sometimes and changes gears very hard. It also dies on me sometimes if i give it too much gas.

Comment by cwspook, posted on Jul 29, 2008

Ok I will do. Thanks and I will get that checked also. I'll post the results from the diag.
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Solution #1

posted on Oct 07, 2008
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campbellsbil

Rank:Apprentice Apprentice
Rating: 0%, 0 votes
Hi,
I have the C70 X reg 2.0 LPT. Last year just after a service I was touring on holiday when the Engine Emissions light came on (the orange pic of the engine) my fuel consumption went out the window the engine ran really rough especially at idle it often nearly cut out and the power generally was poor. On return we went back to Volvo and they found that the jubilee clip holding the air intake pipe below and behind the engine had snapped and the pipe had partly come off, they repaired it and this immediately solved the problem.
Hope this helps.

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Solution #2

posted on Aug 01, 2008
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Guest

Rank:Apprentice Apprentice
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hi,
the fault code im getting is p0171 system running too lean bank 1.
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Solution #3

posted on Jul 29, 2008
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j_del

Rank:Guru Guru
Rating: 90%, 619 votes
First off, go to AutoZone and get the code scanned. They'll do it free, and will give you the fault code. Post that up and we can take it from there.

Just to ponder - have you checked the mass airflow sensor? If it's giving erroneous reasons it can cause you to fuel the engine incorrectly.

Comment by j_del, posted on Jul 29, 2008

Definitely - once you have the code, we can see what the car is telling you. When you get the code read, the code itself will be right, but their definition of the code may not be exactly correct (I came across this with my Audi). With the code, we'll find out what is going on:)
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