1993 Volvo 940 "idle problems" Questions

...2-3-2* Fuel trim (lambda control) too lean or too rich at idle }If too rich: high fuel press., leaking injector } various driving problems Fuel trim (lambda control) too lean at idle Oxygen ...

Shaking while Idling and Smelly Exhaust My 2001 Monte Carlo SS has a tendency to shake while idling, and also has a pretty noticeable bad smelling exhaust, almost like rotten eggs. The exhaust seems a

1994 volvo 940 wagon rough idle feels like it is about to stall at stop starts fine thenidle drops could it be fuel filter, water in fuel, or plug wire problem Give it an good tune up ...

volvo 940 Dark Smoke from exhaust & non idling engine Helo, i just bought a 940 couple months ago, its a B230 engine, 8 valve. i have a problem with the engine, just suddenly the engine is not ...

...and the transmission is in drive. The exact problem that occurs is that I will come to a stop, idle around 500, then the car starts to shake and the idle will waver up and down about 200 rpm for ...

95 volvo 940 turbo has had intermittent starting issue. Replaced crank position sensor and cleaned idle air control valve and problem mostly solved, but has now (6 weeks later) same problem but worse.

i have black smoke coming out of my Volvo 940...i have changed the air mass flow..the air filter....the coolant temp sensor and the control box...it idled well for about 15mins then it went back to ...

My Volvo 940 GL has a problem. The engine dies after 2hrs of running. Party's changed to no avail(pickup coil, power unit, secondhand rectifier fixed in, serviced the idling valve, fuel pump relay

...turbo that had a intermittent stalling problem. It would shut down at speeds of 45-55mph or at idle. I would let it sit a minute and restart. It would restart and perform fine. I came out to go ...

mechanic says that my timing chain needs replacing - but states the pistons may be bad also -- is this true 940 engines run on timing belt. Replacement is needed as per recommendation in the manual. ...