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Rough idle, lifter tick. Consistent. 2003 frontier 3.3l.
Replaced Sparks and wires, which stopped it from misfiring. Then the lifter tick, idle and engine light came on. Just had the upper gaskets and knock sensor replaced. Car ran great for about 45 min then check engine came on and tick/rough idle came back. … read more
Jake
Jake
4,484 satisfied customers
I have a 2004 V-6 Frontier. Drove from TX to WA State and it
I have a 2004 V-6 Frontier. Drove from TX to WA State and it ran great. Been in WA about two months and it started running ruff like one cylinder was not firing. Check Engine light came on. After driv… read more
Jay
Jay
Nissan Technician
Vocational, Technical or Trade Scho
22,139 satisfied customers
frontier: i have a 2002 nissan frontier 3.3l It is idling
i have a 2002 nissan frontier 3.3l It is idling rough ( at idle only) no visible black smoke out exhaust, was showing knock sensor code bank 1 ( replaced sensor) new gaskets on lower intake, plenum, a… read more
Jay
Jay
Nissan Technician
Vocational, Technical or Trade Scho
22,139 satisfied customers
Frontier: Hey Mike we have a 2000 Nissan frontier, it has been
Hey Mike we have a 2000 Nissan frontier, it has been hell! We did a head job, it ran perfect for a week, came back rough idle. We checked timing, it is perfect. We took upper and lower intake off, rep… read more
Mike V.
Mike V.
Nissan Technician
Subaru and Nissan factory training.
9,482 satisfied customers
FRONTIER: I have a 2002 Nissan Frontier Crew Cab with the supercharged
I have a 2002 Nissan Frontier Crew Cab with the supercharged engine; at low speeds I get a sound like a coffee grinder from the engine bay; only at low speed, not when idling and not at highway speed.… read more
Clifton B.
Clifton B.
nissan master auto tech
Associate Degree
4,522 satisfied customers
2000 Nissan Frontier: V6 /236,000 miles running..misfiring..stalling
My 2000 Nissan Frontier w/3.3L V6 /236,000 miles running very poorly with engine misfiring and stalling. Dealer says trouble codes indicated replacement of crankshaft position sensor and knock sensor.… read more
Mike V.
Mike V.
Nissan Technician
Subaru and Nissan factory training.
9,482 satisfied customers
2002 Nissan Frontier: cyl..knock sensor..pressure sensor signal
Hello - I own a 2002 Nissan Frontier (6 cyl) with the following engine codes (P1446 - vent valve closed at wrong time, P0328 - knock sensor bank 1 signal high, P0452 - evap pressure sensor signal low … read more
Roy
Roy
Vocational, Technical or Trade Scho
5,454 satisfied customers
2000 NISSAN FRONTIER: oem..CHECK ENGINE LIGHT CAME BACK
WE JUST REPLACED THE KNOCK SENSOR ON A 2000 NISSAN FRONTIER (WE BOUGHT AN OEM ONE). TWO DAYS LATER THE CHECK ENGINE LIGHT CAME BACK ON WITH A P0328 CODE--KNOCK SENSOR. DOES THIS NEED TO BE PROGRAMMED … read more
Mike V.
Mike V.
Nissan Technician
Subaru and Nissan factory training.
9,482 satisfied customers
2000 Nissan Frontier: intake gasket..I picked the car up, it idled
Hi, I just took my 2000 Nissan Frontier to have the valve cover gaskets replaced and had them change the knock sensor. So they replaced the valve cover gaskets, lower intake gasket and replaced the kn… read more
Mike V.
Mike V.
Nissan Technician
Subaru and Nissan factory training.
9,482 satisfied customers
2000 Nissan Frontier XE: V6..vehicle runs like complete crap
2000 Nissan Frontier XE V6. was running just fine and then BAM! vehicle runs like complete crap. barely runs, but i can keep it running. smells like its running full rich. managed to keep it running l… read more
Clifton B.
Clifton B.
nissan master auto tech
Associate Degree
4,522 satisfied customers
99 nissan frontier: skipping/vibrating in the truck.we
we have a 99 nissan frontier truck. we are having a skipping/vibrating in the truck. we have replaced the plugs and wires. the service engine light comes on . when you speed up it does not do it when … read more
Mike V.
Mike V.
Nissan Technician
Subaru and Nissan factory training.
9,482 satisfied customers
97 nissan altima: knock sensor and now the car stalls..few minutes
i have a 97 nissan altima replaced knock sensor and now the car stalls out after a few minutes of it running problem started after replacing sensor… read more
Tim West
Tim West
Service Manager
Computer/ Automotive certifications
16 satisfied customers
2000 nissan frontier 3.3 eng . Problem started several weeks ago.
2000 nissan frontier 3.3 eng . Problem started several weeks ago. At idle it started running bad and had jerky take off. Showed code of knock sensor circuit and TBS sensor circuit. TBS was changed and… read more
Roy
Roy
Vocational, Technical or Trade Scho
5,454 satisfied customers
2000 Nissan Frontier: 3.3, 6 cylinder engine..idleing..knock sensor
I have a 2000 Nissan Frontier, 3.3, 6 cylinder engine, having problems; irraticle idleing, got code = P0505. Original code read = knock sensor, changed it and still experiencing same problem...please … read more
Mike V.
Mike V.
Nissan Technician
Subaru and Nissan factory training.
9,482 satisfied customers
2000 Nissan Altima: 2.4L..SES light but idles poorly 20..tester..p0171
I have a 2000 Nissan Altima with 2.4L engine. It hasn't fault coded with an SES light but idles poorly 20-30 seconds after a stop. I ran the OBDII tester on it and got a pending P0171 and P0325. Perfo… read more
Eric
Eric
Retired
N/A
33,746 satisfied customers
1999 Nissan Frontier: 3.3L V-6, 4 wheel drive...Knock Sensor..Circuit
I have a 1999 Nissan Frontier. 3.3L V-6,XXXXX I have a (P0325 Knock Sensor 1 Circuit Bank 1) code. Everything I've read indicates the Knock Sensor is under the upper intake maniford. I've removed the … read more
Eric
Eric
Retired
N/A
33,746 satisfied customers
2000 frontier: dtc 325 knock sensor fault..idle timing advance..acts
2000 frontier has dtc 325 knock sensor fault wont idle timing advance is all over the place acts like a mass air sensor.39616.7435168634… read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,589 satisfied customers
gas mileage down quite a bit..autozone..knock sensor..misfiring
Hi. engine started to run rough at around 2600rpm. gas mileage down quite a bit after this. Went to autozone and was diagnosed as a bad anti knock sensor and one cylinder misfiring. Question is if thi… read more
Roy
Roy
Vocational, Technical or Trade Scho
5,454 satisfied customers
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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.

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9 dollars, 2 hours of my time, and I drove away. Your diagnosis was right on the mark. Thank you so much.

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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.
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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

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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.

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