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400 Series General Forum for the Volvo 440, 460 and 480 cars |
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Volvo 440 1.6Li erratic hunting idleViews : 3432 Replies : 2Users Viewing This Thread : |
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May 4th, 2019, 23:13 | #1 |
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Last Online: May 10th, 2019 20:58
Join Date: Aug 2011
Location: Guisborough
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Volvo 440 1.6Li erratic hunting idle
Hi,
I have a 440 1.6Li which has been in storage for 4 years. Since it was put in storage it's now developed a hunting (up/down/up/down) idle. If I pull off the small manifold pipe which goes to the pressure sensor this stops the hunting somewhat but the idle speed is high. Don't know if it's related but the red water temperature light is always lit and the temp needle reads higher than expected. Any advice very much appreciated. Thanks Ian |
Jun 25th, 2019, 16:01 | #2 |
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Last Online: Sep 21st, 2023 12:14
Join Date: May 2019
Location: taunton
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Hi on my 460 the hunting idle was fixed by changing the throttle position sensor check that out
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Oct 13th, 2019, 22:23 | #3 |
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Last Online: Oct 15th, 2019 21:42
Join Date: Oct 2019
Location: Münster
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Hi,
same problems with mine, but I think the B16F got no throttle position sensor. I had a hunting idle with low rpm, in the beginning, with a dying engine sometimes. Meanwhile I checked a lot of stuff, like new sparkplugs, airfilter, distributorcap, ignition wiring, distribution belt. No change. Then I cleaned/oiled the idle regulation valve and "pulsed" it with 12v when I had it removed til it seem to work properly, open/close. Since then I have a high idle, about 1200rpm, not hunting. Still in progress. What about yours? Greetz, Janos Ps: excuse my speech, Kraut is trying to write english |
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