Question about Harley Davidson FLHX Street Glide Motorcycles

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Up &down speed variation with or without criuse on

When cruise control is on the revs tend to go up and down and speed varies this happens even when cruise is switched off and a steady hand is on the throttle, revs pick up and consiquently speed varies

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  • Contributor
  • 23 Answers

Check w/harley for recalls

Posted on Nov 19, 2013

Testimonial: "bike was purchased july 2011 has now got 90thous ks on the clock serviced on the dot every time just had cam chain tensioners fitted, no other problems , no recall, i am starting to think dirty injectors ?"

  • Fran Mannone Nov 19, 2013

    if throttle by wire there may be a recall [is that 9k or90k]

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Posted on Jan 02, 2017

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  • 69 Answers

SOURCE: hi, i have a 2001 YZ250 and have been having a

If you have added aftermarket pipes then you could have a fuel mixture problem, or even dirt or grime in the fuel path, I would either rejet the carbs or I would do a good fuel system cleaning.

Posted on Mar 09, 2009

dmsr63
  • 2050 Answers

SOURCE: idle speed engine dies when throttled

It does sound like its getting to much fuel, or the lack of air. Air filter ok? If it is you might need to have a compression check done to see how the piston rings are.

Posted on Jul 03, 2009

  • 245 Answers

SOURCE: i have a honda CB400 super four and have been having a slight pro

Your carb may be adjusted a little lean. Try adjusting the needle, keeping track of the changes you make, and blipping the throttle full to check the result.

Posted on Jul 28, 2009

czaa
  • 4521 Answers

SOURCE: the bike idles and runs great at idle but if I rev

the rattle may just be vibration or a failin bearing-old bike--carb shud be takin apart-cleaned-and ajusted if problems get worse--buy a repair manual thats what the pros use

Posted on Apr 12, 2010

Testimonial: "I will try that...thank you very much!!"

  • 30 Answers

SOURCE: Bike starts & idles, but

Sounds like the main jet in the carb is clogged, pull it and take a look, clean it our with fine copper wire and some gas.

Posted on Apr 13, 2011

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1 Answer

How do I troubleshoot the cruise control of a 2003 Alero?


It's probably a problem with cruise control module , located under the hood in engine compartment . Or a bad connection somewhere . Do you know how to do electrical testing ? Is the air bag light lit on the instrument cluster ?

Could have DTC'S - diagnostic trouble code's stored .
DTC P1554
The powertrain control module (PCM) inhibits cruise control operation when certain conditions are not appropriate for cruise control operation. The PCM removes the ground from the cruise control inhibit signal circuit in order to disengage cruise control operation.
DTC P1585
Output driver modules (ODMs) are used by the powertrain control module (PCM) in order to turn on many of the current driven devices that are needed to control various engine and transaxle functions. DTC P1558 set indicates that an improper voltage level has been detected on the signal circuit which controls the cruise control inhibit circuit.
Action Taken When the DTC Sets
• The PCM will not illuminate the malfunction indicator lamp (MIL).
• The PCM will store the conditions present when the DTC set as Failure Records data only.

Cruise control is a speed control system that maintains a desired vehicle speed under normal driving conditions. However, steep grades may cause variations in the selected speeds. The electronic cruise control system has the capability to CRUISE, COAST, RESUME SPEED, ACCELERATE, and TAP-UP or TAP-DOWN.
The main parts of the cruise control system are:
• The cruise control module assembly
• The function control switches
• The cruise control release switch
• The clutch pedal position switch (CPP), if equipped
• The stop lamp switch assembly
• The vehicle speed sensor
The cruise control system uses the cruise control module assembly to maintain the desired vehicle cruise speed and operation. The cruise control module assembly has an electronic controller and an electric stepper motor to vary the throttle in each different cruise control mode. The electric controller monitors vehicle speed and operates the electric stepper motor. The stepper motor operates in response to the electronic controller, to maintain the desired cruise speed. The electric stepper motor moves a strap that is attached to the cruise control cable which moves the throttle linkage. The cruise control module assembly contains a low speed limit which will prevent system engagement below a minimum speed of 40 km/h (25 mph). The module assembly is not serviceable.

Dec 11, 2016 | 2003 Oldsmobile Alero

1 Answer

Transmission surge at cruise


check the rpm and road speed when this happens . The cruise control will increase to keep RPM constant but as the road speed drops the auto may be shifting down and as the rpm increase it shifts back before the rpm adjusts. You can override a cruise control in this situation by simply pressing down on the accelerator to maintain the power setting and road speed and when the situation is passed and you take your foot of the accelerator the cruise control will return the system to the set position without you needing to do anything

Nov 25, 2013 | Dodge Ram 1500 Cars & Trucks

1 Answer

My cruise control on my 2002 Xterra works fine until going up hill (not just big ones, any hill that makes the speed drop). It increases engine RPMs to maintain set speed(usually about 3.5K), however, once...


Are you aware what transmission your Xtera has ? In some cases this may be considered normal pending make model and options . The revs going up down hill could be a form of engine breaking regulated by the transmisson control module in an automatic. Now if you have a manual transmission this is definately an issue.

Sep 23, 2013 | Computer, Chip, Cruise Control for Nissan...

1 Answer

My 2010 Chrysler Sebring convertible - after using the car for 18 months only, on a flat road the cruise control works very well. But even the slighteset uphill gradient, the speed drops by 8 kms &...


If the cruise control actuator is vacuum controled I would be looking at a problem with the rubber hose.--cracxked , broken or hard and not sealing.. Cruise controls normally work with a less then 150rpm variation and respond when that setting is reached. Check that the cable is correctly adjusted of if cpu controlled that there is not a fault code reading

Feb 27, 2013 | 2010 Chrysler Sebring Convertible

1 Answer

My 2011 CX9 swings the revs up & down about 500RPM when approaching a slight incline with cruise control set at 80KMPH


Sounds like the speed sensor.Need take it to a shop and have them put the code reader on your system.That will tell you what is bad and to replace.Some shops will do this for free just in hopes of getting your business.

Aug 13, 2011 | Computer, Chip, Cruise Control for Mazda...

1 Answer

The cruise control on my 2001 just quit working i have checked the fuses and all are ok while driving i can engage the criuse control and the cruise light comes on for an instant almost like a flash any...


A vehicle speed sensor provides a signal for the cruise control and also for the ABS braking and the overdrive function. I would start with finding the fuse for the cruise control in your owners manual. Also some cruise controls have vacuum lines attached, if so, check for cracked or broken vacuum lines. Good luck.

Oct 07, 2010 | 2001 Ford F150 Styleside SuperCrew

1 Answer

98 Honda Accord odometer, speedometer and cruise control all died


check the fuse for the gauges and if not check speed sensor

Sep 22, 2009 | Honda Civic Cars & Trucks

1 Answer

2004 jeep grand cherokee idling problem. Revs motor 200 to 500 rpms higher while driving.


I had the exact same problem on my 04 GC. I put some Techron Concentrate Plus Fuel System Cleaner in from Wal-Mart and it seemed to fix the problems right away. Let me know.

May 31, 2009 | 2004 Jeep Grand Cherokee

1 Answer

Cruise control how to use


Most cruise controls are designed to disengage when you press the brake pedal. I always mention this first because people tend to try to press the clutch pedal while the cruise control is engaged and this startles them when the engine revs up all the way...

Anyway, to use your cruise control:

1) Press the Cruise control button to on.
2) Drive up to the speed you need to go.
3) Press the "Set/Coast" button.
4) let go of the accelerator pedal

If the cruise control system is operating correctly, your vehicle will continue to travel at the same speed until you either press the brake pedal or you cancel the cruise setting with the cancel button of the cruise control.

Remember: Your civic is not equiped with a radar system for your cruise control, so if you are aproaching an intersection or traffic in front of you, do not expect the car to know it needs to stop. Also, cruise control only operates the accelerator pedal i your car, it is not autopilot, so it will not steer your car for you.

(you think it sounds silly that I am writing this? You should see my friend's car... He thought Cruise control was like autopilot, so he smashed his brand new civic into a tree...)

Happy Motoring!

May 21, 2009 | 2002 Honda Civic

1 Answer

Loosing power at cruising speed


have you had the transmission flushed? it seems to be caught in a limbo. where the calibration of the speedo and the transmission are not compatable. Now as wierd as that seems it happens usally like when going up a hill if you have a manual trans. and cruise locked in. it cant hold that speed and moves to a different speed if you dont down shift. Or perhaps your cruise control cable is slipping. is it vacume over mechanical? pop the hood and make sure all your hoses to cruise control are tight and no leaks.

Feb 12, 2009 | 1998 Mercedes-Benz C-Class

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