Question about 2007 Isuzu i-290 Extended Cab

Open Question

Idle control sensor

Engine running rough at idle. RPMs at 650 instead of 800. Code is p0506, somthing about idle control sensor but parts house doesn't get that part when they try to look it up.

Posted by on

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

2005 Dodge Ram 1500 4.7 Engine. Starts fine, Idles fine, but when engine shifts into high gear and RPM lowers engine runs really rough under load


Have you checked for a broken valve spring. Repaired a dodge engine with the same running issue as you have described and it was a broken intake valve spring.

Feb 22, 2015 | 2005 Dodge Ram 1500

1 Answer

Code p0506 subaru after disconnecting battery


Often when disconnecting the battery the engine control computer 'forgets' the existing parameters for idle speed and such. The DTC that you are showing indicates that the idle speed is lower than expected. I have found that erasing the code with an OBD reader and then putting about 25 miles or so on the car will correct the low idle as that allows the engine control computer to bring the operating parameters up to date again as they were before you removed the battery.

Jan 17, 2013 | 2007 Subaru Legacy 2.5i SE Sedan

1 Answer

Why does my 1997 chevy s10 have a high idle while coasting?


Sounds like a dirty air filter is putting the mass airflow sensor out of range. The throttle position sensor is subject to physical wear, the age of your truck warrants replacing it. The coolant temp sensor controls the Idle Air Solenoid which determines idle speed ( cold, high idle, 1200 rpms open loop mode for the ECU) and (hot, low idle, 800 rpms, closed loop mode for the ECU) If the truck does not have a Mass airflow sensor, check the Manifold absolute pressure sensor (MAP). Perform an OBDII scan for stored fault history to avoid buying parts you don't need. Do the cheapest fixes first. Go ahead and change the fuel filter also. There is a lot of water in todays fuels

May 29, 2017 | Chevrolet S 10 Cars & Trucks

1 Answer

Codes P0506 and P0011. Idles low and rough. What can I do?


P0011 A Camshaft Position - Timing Over - Advanced or System Performance (Bank 1) P0506 Idle Air Control System RPM Lower Than Expected A P0506 DTC trouble code may be caused by one or more of the following:
  • A vacuum leak
  • An air restriction in the intake air path or exhuast
  • A faulty positive crankcase ventilation (PCV) valve
  • Damaged/failed/dirty throttle body
  • Internal engine problem
  • Failed PCM
  • check the PCV valve first , thats cheap , just shake it, you should hear the little ball rolling back and forth, if it is,, put it back, if not,, spray a little carb cleaner in it,, then put it back after the ball has loosened up , then start the car ,, spray a little carb cleaner around the vacuum lines of the motor, if the car rev's up all of a sudden, look for a bad vacuum hose in that area , check and clean the air filter, normally this code is thrown by a vehicle that has an electronic throttle control, ( no cable ) remove the air duct that goes into the throttle body , spray some cleaner in there,, ( with the motor off) wipe out any excess , and clean the flap that is inside that hole,, be careful not to spray too much on the tip of the sensor that in there,,, start the car again, if its better your home free, it may smoke a little to clear out the carb spray ,, so don't worry , if that doesn't fix your problem,, your going to have to replace the idle control sensor, lemme know how you make out

Aug 26, 2011 | Nissan Pathfinder Cars & Trucks

1 Answer

My 06 f150 engine light came on, my programmer said 2 codes. 1 of 2 is a P0506, and 2 of 2 is a P1336? Any ideas on how I can fix this one?


P1336 Crankshaft and camshaft sensors out of sync
If you get this code, the first thing to check is your distributor especially if you have an imported vehicle. Look for signs of oil in the distributor which can contaminate the signals being monitored by the ecm (engine computer).Check also the wiring leading to the distributor and see if the wires are properly insulated away from hot exhaust which could burn the wires. Do these checks also on the crank sensor itself whether it is located in the front of the engine or at the flywheel at the rear of the engine. Ditto for the cam sensor.

On engine with distributor, the cam sensor is usually located in the distributor and it will give you a lot of grief if not properly align and synchronize with the crank sensor. On some applications (like Ford), an alignment tool is required which is can be bought from your local parts store (cost about $31). If you install the distributor without proper timing, it will still run but the mileage will suffer and the above code showing up.


P0506 - Idle Air Control System RPM Lower Than Expected
This P0506 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 P0506 DTC (diagnostic trouble code) is triggered when the PCM (powertrain control module) detects an engine idle speed that is lower than the desired (pre-programmed) RPM.
Potential Symptoms

Most likely the only thing you'll notice is the idle speed is lower than normal so it will likely be rougher. 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 P0506 DTC trouble code may be caused by one or more of the following:
A vacuum leak
An air restriction in the intake air path or exhuast
A faulty positive crankcase ventilation (PCV) valve
Damaged/failed/dirty throttle body
Internal engine problem
Failed PCM

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 for vacuum leaks, restrictions, and damage. If there are no symptoms other than the DTC itself, just clear the code and see whether it returns.


Hope this helps (remember to rate and comment this answer).

Jul 18, 2011 | 2006 Ford F-150

1 Answer

P0506


P0506 - Idle Air Control (IAC) System RPM Lower Than Expected

This P0506 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 P0506 DTC (diagnostic trouble code) is triggered when the PCM (powertrain control module) detects an engine idle speed that is lower than the desired (pre-programmed) RPM.
Potential Symptoms Most likely the only thing you'll notice is the idle speed is lower than normal so it will likely be rougher. 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 P0506 DTC trouble code may be caused by one or more of the following:
  • A vacuum leak
  • An air restriction in the intake air path or exhuast
  • A faulty positive crankcase ventilation (PCV) valve
  • Damaged/failed/dirty throttle body
  • Internal engine problem
  • Failed PCM
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 for vacuum leaks, restrictions, and damage. If there are no symptoms other than the DTC itself, just clear the code and see whether it returns.

Jun 20, 2011 | 2001 Saturn L-Series

2 Answers

Code po506 is showing up what does this mean


P0506 - Idle Air Control System RPM Lower Than Expected
This P0506 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 P0506 DTC (diagnostic trouble code) is triggered when the PCM (powertrain control module) detects an engine idle speed that is lower than the desired (pre-programmed) RPM.

Potential Symptoms: Most likely the only thing you'll notice is the idle speed is lower than normal so it will likely be rougher. 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 P0506 DTC trouble code may be caused by one or more of the following:
A vacuum leak
An air restriction in the intake air path or exhuast
A faulty positive crankcase ventilation (PCV) valve
Damaged/failed/dirty throttle body
Internal engine problem
Failed PCM

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 for vacuum leaks, restrictions, and damage. If there are no symptoms other than the DTC itself, just clear the code and see whether it returns.

Other related DTCs: P0507

Hope helps.

Jun 14, 2011 | 2003 Nissan Maxima

1 Answer

Got codes from auto zone po128 &po506


P0128 - Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)

This means that the engine's PCM detected that the engine has not reached the required temperature level within a specified amount of time after starting the engine. The intent of the P0128 code is to indicate a faulty thermostat. Similar codes: P0125

In determining the engine did not reach a "normal" temperature, it takes into account the length of time the vehicle has been running, the intake air temperature (IAT) sensor reading, the engine coolant temperature (ECT) sensor reading, and the speed of the vehicle.

Symptoms: You will likely not notice any drivability problems other than the MIL illumination.

Causes: A code P0128 may mean that one or more of the following has happened:
Low engine coolant level
Leaking or stuck open thermostat
Faulty cooling fan (running too much)
Faulty coolant temperature (ECT) sensor
Faulty intake air temperature (IAT) sensor

Possible Solutions: Past experience indicates that the most likely solution is to replace the thermostat. However here are some suggestions on troubleshooting and repairing a P0128 OBD-II code:
Verify coolant strength & level
Verify proper cooling fan operation (check if it's running more than it should). Replace if necessary.
Verify proper engine coolant temperature (ECT) sensor operation, replace if necessary.
Verify proper intake air temperature (IAT) sensor operation, replace if necessary.
If the above items check out good, replace the thermostat
If Nissan vehicle, check for Technical Service Bulletins (TSBs), as the ECM may need to be reprogrammed to correct the P0128 code


P0506 - Idle Air Control (IAC) System RPM Lower Than Expected

This P0506 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 P0506 DTC (diagnostic trouble code) is triggered when the PCM (powertrain control module) detects an engine idle speed that is lower than the desired (pre-programmed) RPM.

Potential Symptoms: Most likely the only thing you'll notice is the idle speed is lower than normal so it will likely be rougher. 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 P0506 DTC trouble code may be caused by one or more of the following:
A vacuum leak
An air restriction in the intake air path or exhuast
A faulty positive crankcase ventilation (PCV) valve
Damaged/failed/dirty throttle body
Internal engine problem
Failed PCM

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 for vacuum leaks, restrictions, and damage. If there are no symptoms other than the DTC itself, just clear the code and see whether it returns.


Check it, and keep us updated.

Apr 20, 2011 | 2004 Ford F150

1 Answer

I have a service engine soon light and my car wants to stall when in idle. rpms drop to 500 runs rough then jumps back up to 650


Check the IAC sensor as this is the one that controls the speed you can remove and clean with cleaner shock like the test hole where it is housed, thanks

Feb 24, 2010 | 2006 Mitsubishi Eclipse

3 Answers

1999 saturn sl1 rough idling


a pit\ston might not be working properly

May 29, 2009 | 1993 Saturn SL2

Not finding what you are looking for?
2007 Isuzu i-290 Extended Cab Logo

Related Topics:

35 people viewed this question

Ask a Question

Usually answered in minutes!

Top Isuzu Experts

yadayada
yadayada

Level 3 Expert

75797 Answers

Steve Hurc
Steve Hurc

Level 3 Expert

450 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22114 Answers

Are you an Isuzu Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...