Nissan

Nissan Repair Questions? Ask a Mechanic for Answers ASAP

Ask an Expert,
Get an Answer ASAP!

Nissan

We have a 2006 V6petrol pathfinder that has an intermittent

Customer Question
Hello, We have a 2006 V6petrol...
Hello,
We have a 2006 V6petrol pathfinder that has an intermittent fault where the engine cots out at low speed and a number of warning lights come up. The car restarts as normal and the lights reset except for the master warning light. Any ideas as to what this may be?
Submitted: 1 year ago.Category: Nissan
Show More
Show Less
Ask Your Own Nissan Question
Answered in 4 hours by:
8/29/2016
Nissan Mechanic: Matt, Engineer replied 1 year ago
Matt
Matt, Engineer
Category: Nissan
Satisfied Customers: 22,154
Experience: BEng hons Mech engineering, worked in auto industry for 22 years on engine, transmission and suspension design
Verified

Hello

This could be a wiring issue as things tend to expand when hot and its possible a poor or partial electrical connection is being pushed apart on one of the major sensors so check the connection plug and wiring to the following;

Airflow meter

Crank position sensor

Cam position sensor

O2 sensor

Throttle position sensor

unplug each in turn and use some switch / contact cleaner spray on the pins to ensure its all grease / dirt free

Also worth checking the connections to the fuel pump for the same reason - unplug each in turn and give them a good squirt of switch / contact cleaner - Not WD40

and also unplug and inspect the main power relays and fuses for signs of overheating or corroded terminals - so the ones for the ECU and the fuel pump

And also unplug the wiring loom connections in the engine bay one at time and inspect for corroded or recessed pins.

Check the resistance of the spark plug leads ( 13-15Kohm / metre) and replace if any doubt or high resistance - Also replace the spark plugs if any of them fail this checklist:

http://www.ngksparkplugs.com/tech_support/spark_plugs/faqs/faqread.asp

Also its worth checking that the electric pump that feeds the injectors is working correctly, it should run for a few seconds then switch off when you first turn the ignition on. If the connections to this are corroded or damaged then the pump could stop at any time. Check that its relay switches in and out and the relay contacts are clean and bright – replace the relay if in any doubt and do the same for the fuse, ideally measure the voltage at the pump and check its getting 12V

Also check for exhaust leaks before the o2 sensor as if this has been experiencing an exhaust leak then it will have been running very rich as the sensor will see the extra air pulled in as fresh / lean fuelling and be adding fuel to compensate.

this can lead to catalyst failure as the extra fuel can re-light inside and melt the catalyst

The best way to find an exhaust leak is to run the engine from cold and feel around the exhaust joints with your bare hands - you'll have about 30 seconds before it all gets too hot and you should feel any escaping gas blowing over your fingers

Ask Your Own Nissan Question
Nissan Mechanic: Matt, Engineer replied 1 year ago

Hi

do you still need help?

Bear in mind that the site takes a deposit from you at the beginning andthis is held by the site until you rate my answer at which point the cash issplit between the site and the expert. I am only paid for my work on thisquestion if you rate my answer, using the star system at the top of the screen. Please do not forget! Thank you

Ask Your Own Nissan Question
Customer reply replied 1 year ago
Hi Matt,
Thanks for your follow up, I think you are on the right track. I have had the vehicle in at our local Nissan dealer and they have plugged it in and had a fault code for camshaft sensor. They are telling me that the remedy is to replace the engine! this seems to be a fairly dramatic step (and expensive). I am surprised with this as the engine does not make any rattling or knocking noise, is fine on power and has good oil pressure. So other than cutting out once or twice and the waring lights being on the engine seems fine. I am interested in your thoughts on this. Regards Brett
Nissan Mechanic: Matt, Engineer replied 1 year ago

Hello Brett

that reaction seems a little extreme, however this engine can be prone to the cam chain stretching which then produces a cam sensor error and then difficulties starting and a lack of power and eventually engine damage as valves touch pistons

so they may be thinking this has already happened

however to back this up I'd say the 1st thing to do is a compression test across all cylinders, as they should all be within 10-15psi of each other and if you have a couple of low cylinders then it would be a good idea to do a borescope inspection as most garages carry this equipment these days

however if the compressions are all fine then I'd say to just replace the cam sensor

Ask Your Own Nissan Question
Nissan Mechanic: Matt, Engineer replied 1 year ago

Hi

do you still need help?

Bear in mind that the site takes a deposit from you at the beginning and this is held by the site until you rate my answer at which point the cash is split between the site and the expert. I am only paid for my work on this question if you rate my answer, using the star system at the top of the screen. Please do not forget! Thank you

Ask Your Own Nissan Question
Ask Matt Your Own Question
Matt
Matt
Matt, Engineer
Category: Nissan
Satisfied Customers: 22,154
22,154 Satisfied Customers
Experience: BEng hons Mech engineering, worked in auto industry for 22 years on engine, transmission and suspension design

Matt is online now

A new question is answered every 9 seconds

How JustAnswer works:

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

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 was in trouble with an electrical issue with my brand new Nissan. I frantically went online trying to find help and luckily I found your site. I reached a NISSAN tech named RIP. He was absolutely tremendous and helped me work through the issue. What a pro!

cjazLexington, KY

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 PElm 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.

PhilMarysville, 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.

CharlesWalnut 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!

SueCharleston, 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.

JimCastleberry, FL

< Previous | Next >

Meet the Experts:

Chris(aka-Moose)

Chris(aka-Moose)

Nissan Technician

638 satisfied customers

16 years of experience

Tim Mohr

Tim Mohr

ASE MASTER TECH

577 satisfied customers

30 YRS EXPERIENCE, FOREIGN AND DOMESTIC, GAS AND DEISEL

Marty

Marty

ASE Certified Technician

146 satisfied customers

ASE & Bosch master tech. 30 years experience.

Mike V.

Mike V.

Nissan Technician

9,283 satisfied customers

Nissan factory trained and Certified Subaru Technician.

Ron

Ron

ASE Certified Technician

543 satisfied customers

34 years of automotive Repair

Anthony

Anthony

ASE Certified Technician

332 satisfied customers

ASE Master Automobile Technician with over 18 years exp. in this field.

Richard

Richard

ASE Certified Technician

92 satisfied customers

Nissan Tech ASE certified technician

< Previous | Next >

Related Nissan Questions
Changed the spark plugs and now it won't start! cranks but
changed the spark plugs and now it won't start! cranks but won't start 2009 murano 3.5 liter … read more
3pac2222
3pac2222
nissan master auto tech
Associate Degree
2 satisfied customers
My fiancé's 2006 Nissan pathfinder started squeeling and
my fiancé's 2006 Nissan pathfinder started squeeling and limping while it was driven. The mechanic said it was the left front wheel bearing, hub bering, ball joint upper and bottom and outer ty rob en… read more
roy
roy
Associate Degree
3 satisfied customers
96 Nissan Pathfinder. Airbag Light on dash is blinking.
39;96 Nissan Pathfinder. Airbag Light on dash is blinking. Cannot find anything in manuals of what to check or how to reset. … read more
FixUrNissan
FixUrNissan
Shop Forman / Lead Tech / Parent
Vocational, Technical or Trade Scho
1 satisfied customers
No overdrive. 2006 nissan pathfinder. Transmission
2006 nissan pathfinder. Transmission overhauled but no overdrive. Trans guy says its the truck. … read more
FixUrNissan
FixUrNissan
Shop Forman / Lead Tech / Parent
Vocational, Technical or Trade Scho
1 satisfied customers
It would shake and then be okay. Spark plugs new and.
It would shake and then be okay. Spark plugs new and … read more
karrs2fix
karrs2fix
Master auto technician
Vocational, Technical or Trade Scho
548 satisfied customers
The number four spark plug tube is filling with oil. what is
the number four spark plug tube is filling with oil. what is the cost to replace the seals as i am not a good mechanic? … read more
Randall
Randall
Auto Technician / Consultant
Vocational, Technical or Trade Scho
69 satisfied customers
I replaced Maf and spark plugs. Now I get codes p0300 and
I replaced Maf and spark plugs. Now I get codes p0300 and p0102. Nissan Sentra 2003 gxe 1.8 … read more
Mechanic01
Mechanic01
1,138 satisfied customers
I have a 2007 pathfinder with heating issues. Where is the
Hi I have a 2007 pathfinder with heating issues. Where is the second thermostat located? … read more
Jake
Jake
Vocational, Technical or Trade Scho
285 satisfied customers
Nissan pathfinder i have a 1999 Nissan pathfinder 3.3l i am
nissan pathfinder i have a 1999 Nissan pathfinder 3.3l i am relocating the knock sensor to the top of the plenum . because its reading as bad . i seen a video that states to splice a new sensor into t… read more
Mike V.
Mike V.
Nissan Technician
High School or GED
9,283 satisfied customers
Have changed spark plugs and coil4 times and they are bad
Have changed spark plugs and coil4 times and they are bad again. What is making them do this? … read more
FixUrNissan
FixUrNissan
Shop Forman / Lead Tech / Parent
Vocational, Technical or Trade Scho
1 satisfied customers
Have changesd spark plugs and coil 4 times in the last 6
have changesd spark plugs and coil 4 times in the last 6 months and they are bad again. Why?… read more
Pete
Pete
Independent Auto Technician
Vocational, Technical or Trade Scho
138 satisfied customers
I have a 2007 Nissan Sentra, 2.0. I repaced the spark plugs.
I have a 2007 Nissan Sentra, 2.0. I repaced the spark plugs. Now the rpms go up and down. Do you have any idea what could be the problem? … read more
Mike V.
Mike V.
Nissan Technician
High School or GED
9,283 satisfied customers
05 nissan altima 2.5 replace spark plugs, both,oxygen
My name is ***** ***** nissan altima 2.5 replace spark plugs, both,oxygen sensors, pcv,valve,ignitors,clean throttle bore,crank and cam sensors air filter, when it sits after a run when hot 15mins or … read more
Mike V.
Mike V.
Nissan Technician
High School or GED
9,283 satisfied customers
My 2002 pathfinder with 3.5 engine was running fine. then
my 2002 pathfinder with 3.5 engine was running fine. then after sitting for about 6 hours would crank over at normal speed but will not run. I sprayed brake cleaner in the throttle body but no change.… read more
FixUrNissan
FixUrNissan
Shop Forman / Lead Tech / Parent
Vocational, Technical or Trade Scho
1 satisfied customers
I removed all 6 spark plug wires from my 1998 Nissan
I removed all 6 spark plug wires from my 1998 Nissan pathfinder at once. I think they were out of order anyway, the number 3 was tagged on there twice from some other time it was worked on. I know whi… read more
kalamykid
kalamykid
Pactor automotive
Vocational, Technical or Trade Scho
97 satisfied customers
I have a2002 altima. Spark plugs no. 2&3 are seized and I
I have a2002 altima. Spark plugs no. 2&3 are seized and I can not remove them. Suggestions welcome. … read more
Gunvir Singh
Gunvir Singh
1,702 satisfied customers
I changed my spark plugs then my car started leaking oil &
I changed my spark plugs then my car started leaking oil & smoking now it won't start … read more
FixUrNissan
FixUrNissan
Shop Forman / Lead Tech / Parent
Vocational, Technical or Trade Scho
1 satisfied customers
I changed the spark plugs on the girlfriends car and now.it
HI I changed the spark plugs on the girlfriends car and now.it sputters really bad and it had a cyclinder 3 misfire im wondering if it is an ignition coil … read more
Ron
Ron
ASE Certified Technician
Vocational, Technical or Trade Scho
543 satisfied customers
Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Show MoreShow Less

Ask Your Question

x