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Oxygen sensors, knock sensor

Where are the oxygen sensors located on 1998 infiniti i30?

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  • chad-toni Aug 15, 2008

    where is the knock sensor located on 1999 infiniti i30? please let me know where to get a diagram!!!!!!!!


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It under intake goood luck

Posted on Sep 13, 2008

It under intake goood luck

Posted on Sep 13, 2008

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1998 Infiniti I30 trouble code P0134 were are the oxygen sensors?

code p 0134 refers to heated oxygen sensor(HO2S) 1 bank 1--no activity detected ===causes ---wiring open circuit--heating inoperative---HO2S sensor
it also refers to oxygen sensor (O2S) 1 bank 1 --no activity===causes wiring -- oxygen sensor
HEATED oxygen sensors are in the exhaust manifold or exhaust pipe before the cat converter
oxygen sensors are in the exhaust pipe after the cat converter
bank one is the side closest to the radiator on a cross fitted engine or on the lhs with you facing the fan

Aug 10, 2016 | Infiniti Cars & Trucks

1 Answer

What is the code po100 on a 2001 infinty i30

Vvvv Possible causes - Faulty mass air flow sensor - Intake air leaks - Dirty mass air flow sensor - Dirty mass air filter - Mass air flow sensor harness is open or shorted - Mass air flow sensor circuit poor electrical connection

May 01, 2014 | 2001 Infiniti I30

1 Answer


Your question is to vague to give concrete information, but this is what I know. Every mechanic has a favorite brand when it comes to sparkplugs. Nissan people (your Infinity is a Nissan) like to use NGK spark plugs. The oxygen sensors are what controls the air/fuel mixture once the vehicle has run for about 4 minutes. Have him change the plugs and wires, and the o2 sensors and you should be fine as long as there are no mechanical issues.

Aug 17, 2011 | Infiniti I35 Cars & Trucks

1 Answer

Location of knock sensor 9/96 i 30 infiniti v6 3000

Thanks for the info its very important, the knock sensor is located top of the motor under the intake, i know iys a bad spot for it, make sure to get a delphi or dealer sensor, ive try them all and ended up doing the job twice so ive learned you get what you pay for, i would get the sensor from the dealer and the gaskets you can get from any parts store hope this helps, i've also included a diagram that show sensor to help you locate any others and it shows some what where the knock sensor is, good luck,johnjohn2_11.gif

Nov 05, 2010 | 2005 Infiniti G35

1 Answer

I need a diagram of the exhaust system on a Mazda 626

0996b43f80203328.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Component Location Chart-2000 MPV

1 PCM 2 Mass air flow (MAF)/intake air temperature (IAT) sensor 3 Throttle position (TP) sensor 4 Fuel tank pressure sensor 5 Engine coolant temperature (ECT) sensor 6 Crankshaft position (CKP) sensor 7 Camshaft position (CMP) sensor 8 Knock sensor 9 Heated oxygen sensor (HO2S) (front, LH) 10 Heated oxygen sensor (HO2S) (front, RH) 11 Heated oxygen sensor (HO2S) (rear, LH) 12 Heated oxygen sensor (HO2S) (rear, RH) 13 EGR boost sensor 14 Power steering pressure (PSP) switch 15 Main relay

0996b43f8020330c.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Component Location Chart-2001 MPV

1 PCM 2 Mass air flow (MAF)/Intake air temperature (IAT) sensor 3 Throttle position (TP) sensor 4 Engine coolant temperature (ECT) sensor 5 Crankshaft position (CKP) sensor 6 Camshaft position (CMP) sensor 7 Knock sensor 8 Heated oxygen sensor (HO2S) (front, LH) 9 Heated oxygen sensor (HO2S) (front, RH) 10 Heated oxygen sensor (HO2S) (rear, LH)* 11 Heated oxygen sensor (HO2S) (rear, RH)* 12 EGR boost sensor

0996b43f8020330f.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Component Location Chart- 2002-06 MPV

May 22, 2010 | 2004 Mazda MPV

1 Answer

P 0734 -gear 4 incorrect ratio and P 0150 oxin sensor circut ( band 2 sensor 1\r\n and car will not pass smog what do we do a 1996 i30 infiniti

The first code could be due to a shift solenoid in the transmission. you can have a transmission shop use a scanner to observe the shift patterns while driving it, some will do free diagnostics if you shop around. the second code is for your oxygen sensor, you will need to replace it because if bad it can cause the engine computer to make the car run lean or rich and will make it fail said smog tests. the sensor the code is referring to is your upper sensor, if it is a v6 model it will be on the passenger side upper or if it is a 4 cylinder model it will be the only upper sensor.

May 18, 2010 | Infiniti J30 Cars & Trucks

1 Answer

I'm getting four different fault codes for my 2000 infiniti i30. I have canceled all the codes several times but they always come back within a month or two. The i30 runs fine in every respect. The codes...

Sensor 2(s) are those aft of the catalytic converter(s).
The pre-cat sensors typically fail more frequently than those post-cat.
The codes you cite are related to all sensors.
It is worth running a test of the sensors. Most garages can do the tests without any disassembly and for less than the cost of replacing any one of the four. Then you can replace the faulty unit with confidence.

Aug 27, 2009 | Infiniti I35 Cars & Trucks

2 Answers


The knock sensor is located on the side of the engine block. And the oxygen sensors are located in the exhaust system. There will be one oxygen sensor (upstream) screwed into either the exhaust manifold or the exhaust pipe before the catalytic converter. The other oxygen sensor (down stream) will be screwed into the exhaust pipe just after the catalytic converter.

May 12, 2009 | 1999 Isuzu Rodeo

1 Answer

Tryen to find location of the crank sensor on 1998 infiniti QX4

looking for crankshaft sensor on 1998 infiniti qx4

Mar 01, 2009 | 2004 Infiniti QX4

2 Answers


pore quality fuel will also set that code. dont get into too big of a rush to replace it . run a couple tanks of good gas first but here is a diagram that might help you out

Sep 15, 2008 | 1999 Infiniti.5 QX4

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