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VW Polo Classic 16i 1999 model wont idle

My car wont idle at all, Please let me know what i can look for or adjust.

Posted by daveh555 on

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5 Related Answers

Anonymous

  • 14 Answers

SOURCE: vw polo car wont start

try disconecting the coolant temp sensor and then try, it may be faulty, also check the hall sender unit in the distributor, if it has one, the centre pin should be the signal wire if no pulse is present the sensor is faulty

Posted on Jan 16, 2009

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Anonymous

  • 1 Answer

SOURCE: VW Polo Classic 1997 IDLE Problems

Hello, VW polos 1.0, 1.4. 1.6, suffer from carbon bulid up in the throttle bodys causing bad idling, esp the Bosch Mono-Motronic (Throttle Body Injection systems), a good clean with carb cleaner should repair the problem, also engine temp sensor replacement and idle speed control valve replacement can help idle problems.

Posted on Apr 19, 2009

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Murphybanton

Onifade Adewunmi

  • 2004 Answers

SOURCE: Hi, I just purchased a VW Polo 1.6 Classic 2004

Please re-check the fuel system to ensure that there are no blockages anywhere.
Good luck.

Posted on Jul 15, 2009

paul campbell

  • 1071 Answers

SOURCE: can you adjust polo rear brakes at the wheels or

hand brake is the only way to adjust them properly you can adjust them at the wheels but you will need to remove the drums then if adjusted too far drums may not go back on

Posted on Aug 19, 2009

luckyluke78

David Parker

  • 333 Answers

SOURCE: VW Polo Classic, fuel efficiency problem

Has the car been serviced recently?
If not I would suggest getting it done.Not sure if you have diesel or petrol, but oil can thicken causing more load on the motor and airfilters get blocked and can cause a rich fuel mixture.

If petrol you can take out the plugs to check if they are a light brown colour, if very dark or black you need to check and adjust carb/injection settings/filter.Need to know what engine it is really.

Posted on Aug 31, 2009

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Hello I have a 1980 Ford Bronco 351 2bbl. Wondering if anyone knows which screws adjust what? Please if anyone has any ideas please respond. Thank you.


Here are some images that might help to assist you, and let me know if you require any further assistance.


Adjust the curb idle with the engine warmed up and the choke off.

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The air/fuel mixture screws should be adjusted with the engine warmed up and at normal idle speed, then turn each air/fuel mixture screw in one at a time until the engine just begins to mis-fire, then back the air/fuel mixture screw out 1-1/2 to 2 turns out a half a turn at a time until the engine idle is the smoothest. (your vehicle might have restrictor caps over the air/fuel mixture screws to limit the amount of adjustment)

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The choke adjustments;

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To adjust the vacuum tension pull on the choke pull-off:

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Adjust the fast idle screw to the proper RPM with the engine cold and the choke on.

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try cleaning the throttle body.that will definatly affect your idle. if it still does it look on throttle body for an air bypass screw i dont know if a 04 has one but all the older ones did.it will be a screw head that is recessed in a holeit may have a rubber plug on top of it. anyway if it does give it a couple turns out and see if idle goes up then adjust to whatever it says on the emmision label.
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im sorry to say that the idle screw wont fix your problem,that just keeps the idle at the right rpms. could be bad plug wires or anything please take to a different shop.

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Nissan ga15 engine idle adjustment locations


The idle speed is computer controled, it is not adjustable, you most likely have sludge in the throttle valve and the idle speed control air bypass valve, clean them with carb spray with the engine running.

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