Hello! The Idle Air Control (IAC) is setting P1506. Because the car has 122k on it though, I will be changing anyways. Since then the truck has been running great. No CEL came on. El conjunto de la válvula IAC mide el aire de admisión alrededor de la placa del acelerador a través de una derivación dentro del conjunto de la válvula IAC y el cuerpo del acelerador. 5L. My bride mentioned a week or so ago that she thought the fuel economy was not what it used to be. Ive changed the. The P1506 code means that the engine idle is out of factory specification. Clicking this will make more experts see the question and we will remind you when it gets answered. . 200k 9/30/2021 1/1/0001; I have changed fuel pump the map sensor the iac valve and 7/7/2021 1/1/0001;. drives ok now, but retrieved code #p1506 idle air control over speed malfunction. Forums. Other problems can cause the idle to over speed. 83 (IAC) and IAC terminal at IAC valve wiring harness connector. Even if you don't want to post, you can still 'Like' and react to posts. Also, did the P1506 come back with the new IAC? Top. Started at about 2000 and didn't get below 11-1200. 2002 Ford E-350 Econoline Club Wagon - my e350 the check engine light code p1506 replace it. Use a length of fuel hose to your ear to listen for the leak. If it does, suspect an unresponsive Idle Air Control solenoid or even a bad PCV valve and/or hose. But the most common cause is the IAC valve. I did purchase a can of mass air flow cleaner, i need to get a special tool to remove the sensor. Disconnect the car battery, remove the valve, clean, re-install valve, and drive the vehicle for about 5 minutes with the headlights and A/C ON to get the idle relearned. And the only code it. P1506 - Idle Air Control. Robert 1999 Ranger Flareside 2. P1506 - Idle Air Control. answer. 1996 Ford Ranger: cyl. removing the iac would be a bad idea imo, obviously there is a issue that needs to be addressed. 1997 - 2003 F150 - p1506 code - i have a 97 f150 thats about to drive me crazy,check engine light on and had it scaned and showed p1506 this has been going on since nov. Engine does sound a little off. Rough Idle problem, be careful WRONG Idle Control valves IAC are being sold for this year model, that cause super high idles over 2,000 rpm then settles down. If you do all of that and can not find anything wrong with the vehicle I would recommend replacing the Idle Air Control Valve, clearing the codes, and reevaluating the vehicles condition after that. I replaced the valve and my car revs at 4000 plus now. 1k answers 1. the iac is. read moreI have a 03 ford taurus that had a code P1506, replaced the IAC cleared the code. might try seafoam to top end??? L. OK. - IAC circuit short to ground. Trouble codes are P1506 (idle air control overspeed error), P0171 (system too lean - bank 1) and P0420 (catalyst system efficiency below threshold - Bank 1). Hi, I have a 99 Mazda 626 lx 2. Code P1506 2000 Ford F150 Tech Notes. Stall, Miss, No Start, No Spark ISSUE: '93-96 light truck vehicles with 4. 1) Bought & replaced 3 IAC valves to be sure I did not buy a faulty valve. I am sorry I have taken so long to reply. how can I fix. Even more, you dread paying $100 just to have your mechanic “take a look” at your vehicle to tell you that nothing is wrong with it or even more to start running. I have a 2003 Ford F-150 with a 4. Check vacuum hoses to MAP sensor. C. 2L OHV. 2k questions 31. Replaced iac and still have higher than spec idle ( 1100 + - ) and. The P01506 is the Idle Air Control valve showing overspeed. 0, Car had cracked head, replaced head and now can't get the car to idle correctly. Repeated battery reset, 50 miles later light it back. High School or GED. TEST: check for out of adjustment throttle stop screw. Disconnect the car battery, remove the valve, clean, re-install valve, and drive the vehicle for about 5 minutes with the headlights and A/C ON to get the idle relearned. 056 change the fuel filter also. C. 4 posts • Page 1 of 1. . 1996 F150 302, 5 speed, pulled code P1359. Replaced iac valve, still get p1506 code and check engine light. Plugging off holes in the throttle body to try and fool the computer is just a bad idea and can lead to further problems. Changed EGR Valve and comp - Ford 1996 Escort 4 Door question. P1506 Ford - escort lx. If engine speed does not drop, check throttle body for damage. I check the intake and all the vacuum lines with starting fluid ( I went through a whole can) and no change. Owner. 1 answer 355 views. Looking for some guidance as far diagnosing this code further than just looking for vaccuum leaks (which i have done extensively). Read full answer. Thank you. drives ok now, but retrieved code #p1506 idle air control over speed malfunction. 2002 Ford Econoline van with code p1506. Search Fixya. 0l with codes p1506 & p1504. lights po171, po401, p1506 now off. Sometimes the Idle Air Control (IAC) may have carbon built up. Finally, if you discover that your vehicle’s idle control valve is faulty, I’ll give you an idea of how much you should expect to spend, so you don’t get ripped off at the repair shop. Now it's starting to run a little bit rough and like losing power I've changed everything. Car began making noise in engine by belt side. A bad idle control valve can cause a multitude of issues with your car. such as at a light. I recently wrote in abouyt a code PO171 on my 96 Ford Bronco, I replaced the mass airflow sensor and the code cleared. 0 sohc spi engine. 1996 Ford Ranger 4 cyl diagnostic code P1443 -evaporative emission control system-vacuum system-purge control solenoid - Answered by a verified Ford Mechanic Tightened up that connection to the intake plenum, yet I still had P1506 and high idle. 0 hour of labor. The timing belt & water pump were replaced 115KM. ) Cleaned the MFC (with MFC cleaner) Result: No change 3. . Changed plugs and coil to fix other codes and had the IAC come back. everytime i try to adjust RPM's i get idle too high code. change IAC valve with a new design/version; and 3. . Put it all back and now car idles high and need to get smog. Since the IAC closes but the engine RPMs are still up (because of the vacuum leak) it sets to IAC failure to control code. Sometimes you can remove these and clean them up, then reinstall them. Escort Generations/Motors. Was driven 1 mile following day and it died while driving. IAC updates its "Ask the Experts: Influenza" web page to answer questions about what's new from ACIP for the 2021–22 influenza season . I installed a new IAC valve. Background: got a p1506 excessive idle speed code during my emissions test. After this, my P0401 code(EGR insufficient flow) went away. IAC has updated its Ask the Experts: Influenza web page to reflect important Q&As about updates to Advisory Committee on Immunization Practices (ACIP) recommendations for influenza vaccination for the. 5L xlt. asked Nov 18,. 96 F150 5. My '98 Escort has a code (P1507) possibly failed IAC valve, engine vacuum leak, open or shorted electrical condition, or - Answered by a verified Ford Mechanic. Disconnect the car battery, remove the valve, clean, re-install valve, and drive the vehicle for about 5 minutes with the headlights and A/C ON to get the idle relearned. The rpms should increase even more if. i have a 1999 ford escort with a 2. All monitors except evap and egr check out just before P1506 hits again. It has the 3. Changed plugs. how i clean Idle Air Control (IAC) Valve - Jeep 2000 Grand Cherokee question. 2003 - 2004 SVT Mustang Cobra. 0 split port rough idle only when in drive and at idle mainly with air/heat /blower on. Also any trouble codes. Declarative. ???? no other codes Starting to pull hair out now????? Any other ideas. drives ok now, but retrieved code #p1506 idle air control over speed malfunction. i have a 1999 ford escort with a 2. 3 it has no vac leaks all timing marks are ligned up it idles to high and keeps giveing p1506 idle air control overspeed err and id protacol pwm . I'm getting a P1506 on my full '01 Taurus 3. Replaced the instrument cluster first so I could see what RPM the current IAC was running the engine. This DTC p1506 is set when the PCM detects engine idle speed that is greater than the desired rpm. Installed them this morning. 2002 Mercury Sable 204,000 mi, Visitor. Oct '98 - change power control module (PCM). Actions: - Replaced IAC Valve (not the problem) Recent Work: -code popped up right after giving my truck a tune up (go figure). You most likely have a intake air leak after the mass air flow sensor. Plugging off holes in the throttle body to try and fool the computer is just a bad idea and can lead to further problems. Welcome Visitor! Please take a few seconds and Register for our forum. Changed Idle air control Egr valve, plugs wires, PVC, hoses, checked for leaks,. 0, Car had cracked head, replaced head and now can't get the car to idle correctly. I replaced the hose but my check engine light did not go off. coil. Dtc p1506 code came on so i changed iac valve now p1506 ,p0171,p0453,01131 is now on why. Sometimes the Idle Air Control (IAC) may have carbon built up. P1506 Ford Escort. Sometimes the Idle Air Control (IAC) may have carbon built up. I have a 03 ford taurus that had a code P1506, replaced the IAC cleared the code. Engine had a tune up and told IAC valve needs replaced. Code P1506 2012 Ford Fusion Tech Notes. If it hasn't been changed in awhile it's due. Took the car to a mechanic, after looking at it the mechanic said it had a bent throttle actuator, he spent like 10 minutes fixing it and charged me. Forums. Print this page; Share this page; Add Your Answer. 0L, 5. check the resistance. The 3. I've searched the forum, put a new IAC valve on, checked for vacuum leaks,(found none) and still get a P1506 code. 9L, 5. Very intermittent. 75ish at WOT. After this, all starts should be well controlled unless there is still another issue. p1506; check-engine-light;. iac valve and still have. C. set the plug gap first i suggest u replace the wires also if they never been replaced all these misfire codes can set the others and one is for the oxygen sensor ( 02s or HO2S) CIRCUT MALFUNCTION. P1506-- Idle Air Control. asked Nov 18, 2018 by Mark. The P1506 code means that the engine idle is out of factory specification. change the fuel filter, use a fuel injector cleaner for a couple of tanks, change the plugs if the problem still exists. the idle. If not, the IAC may still be 'stuck open' causing the same result. Can place in first gear at a stop and slightly let off the clutch and the idle will return to normal and stay when re-depressing clutch. I believe it is code p1506 and is directly talks about the IAC, if that helps. Usually there is a small vacuum leak on the elbow for the pcv valve that causes to high an idle speed. Runs well at above idle speeds. Chris Crash. High idle Changed IAC still the same, shown on scanner IAC 50-60 %, if it set to 40% the Idle is ok. Is info still good?. not sure what to check next. Search Fixya. 0 SOHC. If it's sticky it might be causing the problem. 2001 FORD F250 5. . This Honda Idle Air Controller or IAC is under the throttle body and incorporates into the throttle body passages o locate your Fast Idle Thermo Valve, remove the intake snorkel and locate the FITV beneath your throttle body opening. . 0 L DOHC Duratec V6 . When I cleaned the maf - Answered by a verified Ford MechanicI tested the IAC by unplugging it and the rpm dropped to about where it should be. Replace the elbow and it will resolve the issue. the service engine soon light is on. 4 barley runs changed spark plugs and still missing dtc p1288, p1000, p1124 and p0505. i suggest u replace the wires also if they never been replaced all these misfire codes can set the others and one is for the oxygen sensor ( 02s or HO2S) CIRCUT MALFUNCTION do u know how to check wireing systems do the tune up plugs (set gap) . Identified - Answered by a verified Ford Mechanic. Put in neutral and the rough idle goes away while running. Jeff Lindsey I have a 98 ford escort zx2 that had that same CEL (Check Engine Light) come one. 2k points) Best answer. Just bought it and yes im just driving - Answered by a verified Lincoln Mechanic. On the IAC remove the electical connector. 0 SOHC I recently had the common cold start stumbling problem so I decided to clean the IAC, cleaned it with CRC, dried, lubed it with WD40, and manually moved the. to regulate the rpms with gas pedal if you can make the car idle. Last night, I disconnected the. asked Apr 28, 2018 by anonymous. Changed plugs.