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400 Series General Forum for the Volvo 440, 460 and 480 cars |
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Volvo 460 GLEViews : 1724 Replies : 2Users Viewing This Thread : |
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Oct 13th, 2022, 09:08 | #1 |
VOC Member
Last Online: May 1st, 2024 19:45
Join Date: Jan 2007
Location: YORK
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Firstly, well done on your acquisition!
Before you start randomly changing sensors, there are a couple of potentially easy fixes that immediately spring to mind: Is the throttle valve housing clean? Remove the air filter pipe and look inside - these get gunged up, don't close properly, and then stop the ICV taking over as you come to a stop; Is the Idle Control Valve (ICV) clean? Again, these get filthy inside and don't work properly. Remove it and the pipes to it, and clean out - squirt of cleaner, and often a quick soak in some petrol works wonders; Does the ICV have 8 ohms across its connector (double check Haynes that this is the correct resistance for your car - I am away at present so cannot do so myself)? Are all vacuum pipes intact? In particular, where they connect to the manifold they often perish or work loose. Also the same where the vacuum pipe connects to the throttle valve housing. 1990 model - does it have the diagnostics box? Might be too early but if it does, then if you open the bonnet, look towards the nearside strut tower behind the air filter box, and you'll see a small black box with wires from it. This will let you check for error codes across the whole ignition/injection system - if you have it I or others can help you further with that. Good luck! David
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VOC 400 Series Register Keeper The current fleet: 1997 440 LE, 1996 460 CD, 1994 480 GT and 2007 V50 SE Sport |
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460, volvo, volvo460 |
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