Volvo 340 losing power in high revs ?

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Drew V-340
Posts: 16
Joined: 08 Nov 2015 06:41 pm

Volvo 340 losing power in high revs ?

Post by Drew V-340 » 07 Dec 2015 04:08 pm

Hi there my 340 is running really lumpy when I put my foot right down and I have no clue what it is. It sort of sounds like it's miss firing but I dunno someone help ?!? :340:

Posts: 2239
Joined: 26 May 2009 05:34 pm
Location: Belfast, N. Ireland

Re: Volvo 340 losing power in high revs ?

Post by Ride_on » 07 Dec 2015 07:37 pm

Which engine/year?

Is it choking when you apply power or is it purely revs and not load related?

In older cars the condenser can short out at higher rpms if it needs replaced, otherwise you could have an ignition problem wth leads or something. Try viewing your engine bay in complete darkness with it ticking over and also at higher rpm.

A load related problem is usually related to a weak spark, rpm related to insulation breakdown.
1980 345 DL_______1987 360 GLE (project car restored to GLT spec and B230FT'd)
1984 360 GLT______1987 360 GLT
1983 360 GLS______1989 360 GLE
1985 340 GL_______1986 340 1.4
1985 360 GLS______1995 940 SE 2.3 Turbo Estate (daily)
1987 340 GL 1.7

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