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1992 245 (LH2.4) Idle Problems, Missing, Rough Running,At 1000rpm+ Runs Great

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

Build
Posts: 8
Joined: Fri Mar 24, 2017 7:29 am
Year and Model: 2004
Location: 34102
Has thanked: 1 time

Re: 1992 245 (LH2.4) Idle Problems, Missing, Rough Running,At 1000rpm+ Runs Great

Post by Build »

93Regina,

I haven't checked the fuel pressure yet. With the engine running at idle, there's no change whether the FPR is engaged or not, cold or hot engine. I've checked the diaphragm for a vacuum leak and it's good. Will check fuel pressure.
straubman
Posts: 2
Joined: Sun Mar 29, 2020 4:44 pm
Year and Model: 90 240dl
Location: Pennsylvania

Re: 1992 245 (LH2.4) Idle Problems, Missing, Rough Running,At 1000rpm+ Runs Great

Post by straubman »

Well when I took it off and plugged it, engine smoothed out a little? Sorry for hijacking thread but I’m having same problem and I’m about to go nuts
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