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Idle too high fuel injected evo - Harley Davidson Motorcycles

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SOURCE: I have a 2001 softail duece, fuel injected that

If it's fuel injected, the dealer will have to set the idle speed for you unless you have another type of computer on the bike.

Posted on Oct 28, 2009

wd4ity
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SOURCE: high Idle spee on fuel injected Evo

You must take it to a shop to have the idle speed set. It's set electronically.

Posted on Aug 31, 2010

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2 Answers

Idle rpm too high


You don't say if the engine is carb or fuel injected.
If it has a carb, it could be sticking linkage for the fast idle to the choke.
If it is fuel injected it could be a faulty idle air control valve.
Or it could be something holding the throttle open like a binding cable.

Mar 03, 2013 | 1985 Toyota Pickup

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Bad fuel economy and lumpy idling - possibly causes


<p><b><u><span>Excessive fuel consumption and 'lumpy' idling engine</span></u></b><br /> <p><b><span>Possible faults:-</span></b><br /> <p><b><u><br /></u></b><br /> <p><b><u><span>Coolant sensor </span></u></b><span><span> </span>- engine is signaled as being 'cold' all the time, not just at start up, causing ECU to set longer injection cycle </span><br /> <p><span><span>&oslash;<span> </span></span></span><span>Low coolant level can prevent sensor being able to detect coolant temperature</span><br /> <p><span><span>&oslash;<span> </span></span></span><span>Faulty 'open' thermostat allows coolant to circulate without regulation and perhaps prevents the engine from achieving normal running temperatures.</span><br /> <p><span> </span><br /> <p><b><u><span>FPR</span></u></b><span> - broken diaphragm allows fuel to enter the vacuum line and then into the inlet manifold. Additional source of fuel makes the fuel air mix richer causing a faster and lumpy idle.</span><br /> <p><span> </span><br /> <p><b><u><span>Vacuum leak </span></u></b><span>- 'high oxygen' signal from O2 sensor causes ECU to set longer injection cycle.</span><br /> <p><span> </span><br /> <p><b><u><span>O2 sensor</span></u></b><span> - 'high oxygen' sensor error causes ECU to set longer fuel injection cycle</span><br /> <p><span> </span><br /> <p><b><u><span>MAF</span></u></b><span> - 'over reads' in error the amount of air entering causing ECU to set longer fuel injection cycle </span><br /> <p><span> </span><br /> <p><b><u><span>IAT</span></u></b><span> - 'under reads' in error the temperature of incoming air causing ECU to set longer fuel injection cycle</span><br /> <p><span> </span><br />

on Jul 22, 2011 | Mercedes-Benz E-Class Cars & Trucks

1 Answer

1994 Samurai fuel injection. 2800rpm until warm up, then idles down


Check the operation of the coolant temp sensor.
Check the thermostat is also working properly.

May 18, 2012 | 1994 Suzuki Samurai

1 Answer

Hi, My Monster 1100 Evo off the dealer has backfire and also overheats and stalls. Is this normal? What can i do with this problem?


Hi, Gambyl sounds like your timing is retarded the following applies to carbureted also fuel injected models and the usual suspects are:

1. Severely discharged or a damaged battery, 9 volts or lower.

2. Failed alternator/generator and or voltage regulator.

3. Loose or corroded battery terminals and or cables especially the "NEGATIVE" cable, look for loose, corroded, or broken connectors inside the cable harness at "BOTH" ends.

4. Failed main circuit breaker or ignition switch, check for loose connections and continuity.

5. Failed system and or ignition relay, check for continuity.

6. Failed ignition coil, ignition/electronic module.

7. Failed CKP, CPS, CMP, MAP, TPS, or BAS sensor, corroded, loose or broken wire connector pins/sockets.

8. Throttle cables and or idle speed improperly adjusted hot idle speed should be 950 RPM to 1000 RPM.

9. Air/fuel mixture screw improperly adjusted.

10. Water or dirt in the fuel system, carburetor or filter.

11. Restricted, blocked or kinked fuel line.

12. Fuel tank empty.

13. Gas cap is not venting properly or fuel tank venting system blocked.

14. A failed fuel pump, pressure regulator and or fuel injectors.

15. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.

16. Needle and seat stuck closed in the float bowl.

For more information about your issue and valuable free downloads that you need please visit the websites below. Good luck and have a nice day.

http://www.ducatimonster.org/forums/tech/205432-stalling-issue.html

Shutting off while riding Monster 1100 evo

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Aug 31, 2011 | 2011 Ducati Monster 1100 Evo

1 Answer

My 2000 Grand Prix GTP runs great. However, the gas mileage has dropped to maybe 120-130 miles per tank and at idle there is a very strong odor of gas inside and around the car..noticed no drips on...


Following list of possible faults should help:-

Coolant sensor - engine is signaled as being 'cold' all the time, not just at start up, causing ECU to set longer injection cycle

? Low coolant level can prevent sensor being able to detect coolant temperature

? Faulty 'open' thermostat allows coolant to circulate without regulation and perhaps prevents the engine from achieving normal running temperatures.


FPR - broken diaphragm allows fuel to enter the vacuum line and then into the inlet manifold. Additional source of fuel makes the fuel air mix richer causing a faster and lumpy idle.


Vacuum leak - 'high oxygen' signal from O2 sensor causes ECU to set longer injection cycle.


O2 sensor - 'high oxygen' sensor error causes ECU to set longer fuel injection cycle


MAF - 'over reads' in error the amount of air entering causing ECU to set longer fuel injection cycle


IAT - 'under reads' in error the temperature of incoming air causing ECU to set longer fuel injection cycle

May 10, 2011 | Pontiac Grand Prix Cars & Trucks

1 Answer

High Idle spee on fuel injected Evo


You must take it to a shop to have the idle speed set. It's set electronically.

Aug 29, 2010 | 2001 Harley Davidson FLHTCUI Electra Glide...

1 Answer

I have a 2001 softail duece, fuel injected that idles too high.


If it's fuel injected, the dealer will have to set the idle speed for you unless you have another type of computer on the bike.

Oct 28, 2009 | 2003 Harley Davidson FXSTDI Softail Deuce

2 Answers

Need diagram of fuel injection for 85 4x4 22re


Sounds like you have a vacuum leak somewhere. There may be a stop adjustment on the throttle body, but usually high idles are due to unmetered air entering the system.

Jul 14, 2009 | 1985 Toyota Pickup

1 Answer

High idle


look and listen for a vacuum leak

Mar 20, 2009 | 2000 Toyota Corolla

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