Here's one for the hive mind:
My car starts fine (although much quicker after sitting for a few days), idles fine for 15 seconds and then sputters like its losing a cylinder, then will smooth out within a minute. Maybe related, it also idles low (just under 500rpm all the time, slightly lower in hot temps) and will stall on startup when doing alot of shut off/restarts, say when running errands.
I have checked the IAC, checked the valves for tightness and recently replaced the in tank pump. The throttle butterfly was cleaned too.
thanks.
'93 240: starts fine, then rough idle, then fine
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hackneyed1
- Posts: 2
- Joined: 19 August 2013
- Year and Model: 1993 245
- Location: East Coast, USA
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volvolugnut
- Posts: 6222
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- Year and Model: 2001 V70
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Have you checked for vacuum leaks in the intake hose and vacuum tubes. These can all develop leaks over time. The intake manifold gasket can also leak.
volvolugnut
volvolugnut
The Fleet:
Volvo: 2001 V70 T5, 1986 244DL, 1983 245DL, 1975 245DL, 1959 PV544, multiple Volvo parts cars.
Mercedes: 2001 E320, 1973 280, 1974 280C, 1989 300E, 1988 300TE, 1979 300TD, parts cars.
2009 Smart Passion
Ford: 1977 F350, 1964 F150 (2), 1938 Tudor Sedan
Farmall tractors: 1956 400 Diesel, 1946 A
And others.
Volvo: 2001 V70 T5, 1986 244DL, 1983 245DL, 1975 245DL, 1959 PV544, multiple Volvo parts cars.
Mercedes: 2001 E320, 1973 280, 1974 280C, 1989 300E, 1988 300TE, 1979 300TD, parts cars.
2009 Smart Passion
Ford: 1977 F350, 1964 F150 (2), 1938 Tudor Sedan
Farmall tractors: 1956 400 Diesel, 1946 A
And others.
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