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400 Series General Forum for the Volvo 440, 460 and 480 cars |
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440 Cold start proplemViews : 1570 Replies : 6Users Viewing This Thread : |
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Sep 17th, 2002, 17:53 | #1 |
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440 Cold start proplem
Hi All
I have a 1990 1.7 440GLI, engine type B18 EP. My problem is the car is hard to start from cold, I usually have to keep the excelerator pressed until the engine is warm, once warm the car runs fine, the problem seems similar to an auto choke not functioning, I've checked all the sensors ie coolant temp, air temp and these seem OK, however I've also checked the diagnostics unit which gives an error code of 2,1,1 does anyone have any idea what this error code is, or any other ideas. Regaurds Dave |
Oct 2nd, 2002, 09:55 | #2 |
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RE: 440 Cold start proplem
I have the same problem with a 480 1.7 auto so its a pain to get into 'drive' in the mornings as it wont idle?
How is the mixture enriched or choked in the mornings? Where are the sensors? Let me know if you find the problem please. Harvey |
Oct 2nd, 2002, 11:08 | #3 |
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RE: 440 Cold start proplem
not sure on 400 series, but your cars control idle using an idle stepper motor don't they. This is a small solenoid type thingy that moves the throttle plates to increase the idle speed. This is probably sticky, so disconnect the inlet tubing from the throttle body and get some carb cleaner and spray it all over the plates, giving it a good wipe, try and remove most of the cleaner as its not great for the cat.
Also, remove the electric connection and clean that just in case. not sure what 2,1,1 is on error code. I'll look it up in my books tonight. |
Oct 3rd, 2002, 21:21 | #4 |
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RE: 440 Cold start proplem
211 is 'CO potentiometer' by that they presumably mean the air mass meter do they? If so remove it and spray carb cleaner into it and work it back and forth, being careful not to break any sensors or wiring inside it. Clean the connector also, then reset the code and see if it comes back.
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Oct 11th, 2002, 08:15 | #5 |
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RE: 440 Cold start proplem
I've solved it! The plug under the throttle body which connects to the throttle position switch was the problem. It looked clean and corosion free but I cleaned it with WD and the problem has gone and it starts fine again now. You need to prise out the spring clip around the plug before it will undo.
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Oct 11th, 2002, 11:42 | #6 |
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RE: 440 Cold start proplem
Anyone know if a '96 1.8i 440 would have this plug (I have problems running from not quite cold until qarm. Strange thing is cold it's fine and warm it's fine, just when teh temp gague gets above the cold mark. Checked out by a dealer with a conputer who said theres no faults being reported.......
Stu |
Feb 12th, 2003, 10:24 | #7 |
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RE: 440 Cold start proplem
The 211 code is definately the CO pot. The CO pot is not the Air mass meter. The co pot is a sensor inserted in the inlet pipe between the air filter and the air flow/mass meter. It usually has an adjuster screw which allows you to adjust the co content of the exhaust emissions. However, my B16f Engine does not have a CO Pot fitted as standard but still will give the 211 error code. According to Volvo, the ECU is used in several different models and will on ocassion give 'ghost' errors not applicable to that particular model. In light of your success with the Throttle position swith PLUG, I will give that a try as well. I thought you might find the above info interesting!!!
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