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Trying to find appropriate RPM speeds when idling

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Curb idle (in park) appears to be 750 rpm

Posted on Aug 24, 2010

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What is the ignition timing for 2002 nissan hardbody 2000i 16v


Here are the 3 engines listed for this year. IGNITION TIMING

2002 Nissan/Datsun Truck Frontier Pickup 2WD 2.4L SFI 4cyl

The Ignition Timing

18-22 DegreesBefore top dead center - When throttle positionsensor disconnected and using suitably programmedscan tool.When adjusting idle speed, set parking brake & chock drive wheels, curb idle speed (750-850 RPM)transmission in neutral.

IGNITION TIMING

2002 Nissan/Datsun Truck Frontier Pickup 2WD 3.3L SFI 6cyl

The Ignition Timing

8-12 DegreesBefore top dead center - throttle position sensorharness disconnected.When adjusting idle speed, set parking brake & chock drive wheels, curb idle speed (700-800 RPM)transmission in neutral.

IGNITION TIMING

2002 Nissan/Datsun Truck Frontier Pickup 2WD 3.3L SFI SC 6cyl

The Ignition Timing

8-12 DegreesBefore top dead center - throttle position sensorharness disconnected.When adjusting idle speed, set parking brake & chockdrive wheels, curb idle speed (700-800 RPM)transmission in neutral.

Jun 05, 2015 | Nissan Hardbody Cars & Trucks

1 Answer

P0715 Turbine speed sensor circuit A. Sets after clearing, data shows no glitches in signal and reads steady rpm value at idle and when off idle. No other codes. Circuit test seems waste of time seeing...


You may have a slipping torque converter clutch or worn bands. Contact a local transmission repair shop for further diagnoisis. The turbine speed sensors measure in and out speed of the main shaft, if a excess differance is seen then it will turn on the light and set the appropriate fault codes.

May 05, 2013 | 2006 Mini Cooper

1 Answer

My 2005 Mercury outboard will not idle down to a decent trolling speed unless you have the choke pulled and even then is a little to fast, it runs fine at high rpm,s but dies when you try to troll low...


You may have this posted in the wrong product category. Please select another category appropriate to the problem and re-post the problem so the correct expert will see and respond to the question..
This is for car and truck problems related to factory systems .
This post can't be removed or moved, please re-post the question in the correct product category. Thanks

Oct 09, 2012 | Cars & Trucks

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92 NISSAN WITH BOGGING AT 2800 3500 RPM AND AT LEVEL SPEED 4CYL AND 5 SPEED


For this types of problem,there are few help inks to troubleshoot the problem.Click the link below to go through the troubleshooting procedure to resolve the issues :----Idles rough and quits when gas pedal is pressed less? http://technoanswers.blogspot.in/2012/01/1999-ford-f-150-idles-rough-and-quits.html-----------van idles rough? http://howtobyme.blogspot.in/2012/01/2004-ford-freestar-van-idles-rough.html
--------------runs lean and idles rough? http://technoanswers.blogspot.in/2012/02/ford-runs-lean-and-idles-rough.html
-----------Car still runs Rough after tune up? http://howtobyme.blogspot.com/2011/12/car-still-runs-rough-after-tune-up.html
------------Idle flair is noticed on car? Rough idle? car will not idle? Erratic idle speed? http://technoanswers.blogspot.in/2012/02/idle-flair-is-noticed-on-car-rough-idle.html
----------High rpm in neutral? Inconsistant high RPM in neutral? http://technoanswers.blogspot.in/2012/02/high-rpm-in-neutral-inconsistant-high.html
------------Engine Backfires? http://technoanswers.blogspot.in/2012/02/jeep-backfires.html----------- Nissan stalls and bucks on Acceleration?

http://technoanswers.blogspot.in/2012/02/nissan-pathfinder-stalls-and-bucks-on.html

-----------
Nissan Pathfinder Backfires? http://technoanswers.blogspot.in/2012/02/nissan-pathfinder-backfires.html
---------How to adjust rpm? http://schematicsdiagram.blogspot.com/2011/12/how-to-adjust-rpm-on-2009-dodge-charger.html
------------Engine cuts out at 3000 RPM? http://schematicsdiagram.blogspot.com/2011/12/engine-cuts-out-at-3000-rpm.html
----------This will help.Thanks.

Feb 17, 2012 | 1992 Nissan Pickup

1 Answer

High --1600 rpm ?? rpm idle


The normal idle speed is below 1,000 rpm...between 800 to 900 rpm. I suspect that the idle-air control motor has seized and can no longer automatically adjust the engine's idle speed. This part is also responsible for slightly increasing idle speed when the airconditioning is switched on to compensate for the added engine load. Some cars even have a "step-up" solenoid to increase idle.

When replacing the idle-air control motor, remember to clean the port that IAC motor goes into; there will be some carbon build-up that may prevent the part's cone-shaped valve from seating properly. A can of intake valve spray helped along with some Q-tips works well.



Hope this helped.

Have a great day !!!

Apr 07, 2011 | 1992 Buick LeSabre

1 Answer

P507 buick regal 1998


P0507 - Idle Air Control (IAC) System RPM Higher Than Expected

This P0507 code is one that's sometimes triggered on vehicles that have electronic throttle control. That is, they don't have a regular throttle cable from the accelerator pedal to the engine. They rely on sensors and electronics to control the throttle. In this case, the P0507 DTC (diagnostic trouble code) is triggered when the PCM (powertrain control module) detects an engine idle speed that is greater than the desired (pre-programmed) RPM. In the case of GM vehicles (and possibly others) if the idle speed is over 200 rpm higher than expected, this code will be set.

Potential Symptoms: Most likely you'll notice the idle speed is higher than normal. There are potentially other symptoms as well. Of course, when trouble codes are set, the MIL (malfunction indicator lamp, a.k.a. the check engine light) illuminates.

Causes: A P0507 DTC trouble code may be caused by one or more of the following:
* A vacuum leak
* Leaking air intake after the throttle body
* EGR valve leaking vacuum
* A faulty positive crankcase ventilation (PCV) valve
* Damaged/failed/dirty throttle body
* Failed EVAP system
* Failed IAC (idle air controller) or faulty IAC circuit

Possible Solutions: This DTC is more of an informational code, so if there are any other codes set, diagnose them first. If there are no other codes, inspect the intake air system for air or vacuum leaks and damage. If there are no symptoms other than the DTC itself, just clear the code and see whether it returns.

If you have an advanced scan tool that can interact with the car, command the idle higher and lower to see if the engine responds appropriately. Also check the PCV valve to see if it's blocked and needs to be replaced. Check the IAC (idle air controller) if equipped, verify it's operation. If available, try swapping in a new throttle body to see if that fixes the problem. On Nissan Altimas and possibly other vehicles the problem may be fixed by having the dealer perform an idle air relearn procedure, or other relearn procedures.


Hope this helps; keep us updated.

Feb 04, 2011 | 1998 Buick Regal

3 Answers

Idle at 250 rpm


Idle Speed Control (ISC) Motor OPERATION Eagle Throttle Body Fuel Injection (TBI) System NOTE: The Eagle TBI system is used only on 2.5L Premier engines. The Idle Speed Control (ISC) motor is mounted to the throttle body and controlled by the PCM. The throttle lever rests against the initial adjustment screw of the actuator (plunger). The idle speed is not adjustable. The initial adjustment screw is only used to establish the initial positioning of the actuator when the ISC motor has been replaced. The actuator extends or retracts to control engine idle speed and to set throttle stop angle during deceleration. Based on inputs from the various engine control system sensors and switches to the PCM supplies current to the ISC motor to adjust the actuator position for the particular operating conditions.
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Aug 05, 2010 | 1995 Dodge Spirit

1 Answer

98 galant 2.4 engine speed uncontrollable after 1600 rpm


check automatic idle speed motor if equipped.

Jul 07, 2009 | 1998 Mitsubishi Galant

1 Answer

Idles up and down after warm, but goes away in reverse and drive. 1993 honda accord


I had the same problem with my honda. On the throttle body there is a screw that controls idle speed. If your idle speed is around 800-1000 rpm in neutral, tighten the screw a quarter turn each try until the idle speed is around 1500 RPM. Did this stop the idle?

Apr 09, 2009 | 1993 Honda Civic 4 Door

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