How JustAnswer Works:

  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.

Ask Randy Your Own Question

Randy
Randy, Auto Specialist
Category: Car
Satisfied Customers: 5996
Experience:  25 Years Experience Automotive Technology.
Type Your Car Question Here...
Randy is online now
A new question is answered every 9 seconds

P1326 on a 2000 isuzu rodeo v-6 what does this code mean

Customer Question

P1326 on a 2000 isuzu rodeo v-6 what does this code mean
Submitted: 2 years ago.
Category: Car
Expert:  replied 2 years ago.

Randy :

HELLO!

Randy :

I will be glad to assist you!

Randy :

Give me a moment and I will get that info for you..

Randy :

DTC P1326: ION SENSING MODULE COMBUSTION QUALITY CIRCUITCircuit DescriptionPCM checks validity of signals used in ION Sensing Module at various engine operating conditions.Test is performed to evaluate Combustion Quality (CQ) signal pulse width if it is withinpredetermined range. If CQ signal pulse width is out of predetermined range, fail counter will beincremented. If failure counter exceeds calibration, test is complete and a failure record will bereported. If same counter threshold is reached before failure threshold, then test is complete and a passwill be reported. This test will detect an open or short in CQ line circuit, ION Sensing Module faultsand analog input faults in PCM. Conditions for setting DTC:Ignition • voltage is between 11 and 16 volts.• No Crank DTCs set.• No cylinder ID DTCs set.

Customer:

will this keep the engine from starting

Randy :

Yes.

Customer:

would this be something to change, i tried changing the crank sensor and that didnt help

Randy :

Do you have volt meter?

Customer:

yes

Randy :

I will give you diagnostic instructions, and diagram,..

Customer:

if this doesnt help to get it to start do you have any other suggestions

Randy :

Yes.

Randy :

Replace and Reprogram PCM

Customer:

what is the pcm

Randy :

Powertrain Control Module(computer that controls engine)

Customer:

thanks for your help

Randy :

Your Welcome!

Randy :

Turn ignition off. Disconnect ION Sensing Module and PCM harness connectors. Check wireharness between PCM and ION Sensing Module circuit at CQ line harness connector. . If problem is found, repair as necessary and retest system. Ifproblem is no found, go to next step.2.Disconnect ignition coil. Check ION Sensing Module wire harness between ignition coil and ION Sensing Module circuit at ION Sensing Module harness connector. If problem is found,repair as necessary and retest system. If problem is not present, go to next step.3.Check ignition coil, ignition coil circuit and ground circuit for poor connections. If problem ispresent, repair wiring harness as necessary and retest system. If problem is not present, go to next step. Replace ignition coil. Retest system. Go to next step.Check ION Sensing Module ground circuit for poor connection. If problem is present, repairwiring harness as necessary and retest system. If problem is still present, go to next step. Ifproblem is not present, go to step

Randy, Auto Specialist
Category: Car
Satisfied Customers: 5996
Experience: 25 Years Experience Automotive Technology.
Randy and 5 other Car Specialists are ready to help you
Expert:  replied 2 years ago.
TEST
Randy, Auto Specialist
Category: Car
Satisfied Customers: 5996
Experience: 25 Years Experience Automotive Technology.
Randy and 5 other Car Specialists are ready to help you
Expert:  Randy replied 2 years ago.
Turn ignition off.
Disconnect ION Sensing Module and PCM harness connectors.
Check wire harness between PCM and ION Sensing Module circuit at CQ line harness connector.
If problem is found, repair as necessary and retest system.
If problem is not found, go to next step.
Disconnect ignition coil. Check ION Sensing Module wire harness between ignition coil and ION Sensing Module circuit at ION Sensing Module harness connector. If problem is found,repair as necessary and retest system. If problem is not present, go to next step.
Check ignition coil, ignition coil circuit and ground circuit for poor connections. If problem is present, repair wiring harness as necessary and retest system. If problem is not present, go to next step
Replace ignition coil. Retest system. Go to next step.Check ION Sensing Module ground circuit for poor connection. If problem is present, repair wiring harness as necessary and retest system. If problem is still present, go to next step.

JustAnswer in the News:

 
 
 
Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.
 
 
 

What Customers are Saying:

 
 
 
  • I would (and have) recommend your site to others I was quite satisfied with the quality of the information received, the professional with whom I interacted, and the quick response time. Thanks, and be sure that I'll be back whenever I need a question answered in a hurry. Stephanie P Elm City, NC
< Last | Next >
  • I would (and have) recommend your site to others I was quite satisfied with the quality of the information received, the professional with whom I interacted, and the quick response time. Thanks, and be sure that I'll be back whenever I need a question answered in a hurry. Stephanie P Elm City, NC
  • used your service this weekend with "Trecers" help. thank you ,thank you, thank you. replaced an A/C fan motor. Local Auto Zone had part. $15.00 "tracer" fee and $40.00 for parts, I saved several hundreds of dollers at a shop. i will recommend you and use you in the future. David L. Richmond, TX
  • 9 dollars, 2 hours of my time, and I drove away. Your diagnosis was right on the mark. Thank you so much. Phil Marysville, CA
  • Lurch. Thank you very much. I had real doubts about this website but your promptness of response, quick followup and to the point answer with picture was incredible. Charles Walnut Creek, CA
  • As a single woman, I really appreciate an excellent and affordable opinion.
    Thank you Geordie, I will not hesitate to contact justanswer in the future!
    Sue Charleston, WV
  • Another great insight to what may be the problem. I will have my mechanic take a look at it tomorrow. Thanks again, Frank...you do indeed know your stuff. Jim Castleberry, FL
  • Excellent reply, and also very quick. Really sounds like the Expert knows what he is talking about. I will be back to use your service when I need more help with my RV. Dutch USA
 
 
 

Meet The Experts:

 
 
 
  • Chris (aka-Moose)

    Technician

    Satisfied Customers:

    846
    16 years of experience
< Last | Next >
  • http://ww2.justanswer.com/uploads/MU/muddyford/2012-6-13_1204_1.64x64.png Chris (aka-Moose)'s Avatar

    Chris (aka-Moose)

    Technician

    Satisfied Customers:

    846
    16 years of experience
  • http://ww2.justanswer.com/uploads/TE/TedG/2012-6-15_14759_avaLarge.64x64.jpg Ted G.'s Avatar

    Ted G.

    ASE Certified Technician

    Satisfied Customers:

    1596
    20 years auto repair experience, ASE Master Tech, Mechanical Failure consultant, Expert Witness
  • http://ww2.justanswer.com/uploads/joecamel90/2008-11-13_03615_head_shot.jpg George H.'s Avatar

    George H.

    ASE Certified Technician

    Satisfied Customers:

    1311
    ASE Master Tech 15+ yrs, AAS Automotive Technology, Factory trained Asian specialist
  • http://ww2.justanswer.com/uploads/AM/amedee/2013-10-24_23656_Amedee1.64x64.jpg Amedee's Avatar

    Amedee

    ASE Master Tech

    Satisfied Customers:

    2367
    ASE Master Tech advanced level specialist
  • http://ww2.justanswer.com/uploads/SU/supermechanic/2013-8-23_03546_500.64x64.jpg Jerry's Avatar

    Jerry

    Master Mechanic

    Satisfied Customers:

    1906
    ASE master, 30+ years. All makes and models. Trouble shooter, shop forman, service manager
  • http://ww2.justanswer.com/uploads/CR/crzydrvr00/2013-11-3_12123_246347.64x64.jpg Richard's Avatar

    Richard

    ASE Certified Technician

    Satisfied Customers:

    942
    12 years Ford Lincoln/Mercury Jaguar dealership as a technician and shop foreman reparing all makes
  • http://ww2.justanswer.com/uploads/ST/Steve7654/2012-6-5_215929_japic800x660.64x64.jpg Steve's Avatar

    Steve

    Auto Service Technician

    Satisfied Customers:

    1980
    25+ yrs experience as a professional working technician; ASE L1 master technician