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700/900 Series General Forum for the Volvo 740, 760, 780, 940, 960 & S/V90 cars |
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740 brakes affecting idle?Views : 1940 Replies : 15Users Viewing This Thread : |
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#11 | |
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Last Online: Mar 18th, 2011 13:38
Join Date: May 2009
Location: grassmere!
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the mixture/co will need resetting afterwards when the engine is hot,then try again from cold,the seals should be available from Volvo. ![]()
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#12 | |
Any Volvo will do
Last Online: Oct 4th, 2015 00:28
Join Date: Dec 2004
Location: Port Seton
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I am assuming it is a 1988 740 from your user name.
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John _______________________________________________ 1998 V70 TDI Manual Last edited by mac2542; Jun 28th, 2010 at 00:12. |
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#13 | |
Senior Member
Last Online: Jun 2nd, 2013 22:00
Join Date: Jun 2010
Location: salford
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Great stuff, i'll look into getting a set of injector seals for it, how is the CO/Mixture adjusted? Is this something to do with the large black plastic screw protruding from the throttle housing? is this something i can do myself? |
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#14 |
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Last Online: Jun 2nd, 2013 22:00
Join Date: Jun 2010
Location: salford
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#15 |
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Last Online: Mar 18th, 2011 13:38
Join Date: May 2009
Location: grassmere!
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the large plastic screw is to alter the idle speed only,you will need a garage with a co machine to correctly set the mixture.
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#16 | |
Premier member
Last Online: Jul 29th, 2017 15:54
Join Date: Nov 2002
Location: southern edge of birmingham
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pumping the brake pedal will obviously affect tickover as each pump lets air into the inlet manifold which will affect the mixture,by the sound of things yours is running rich on tickover if the chugging is better when you pump the pedal
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