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Bank 1 show on my ob11 tester - 2004 Honda Pilot

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Check the camshaft position sensor wiring located near the left front corner of the black cover over the top of the engine, my wiring was worn in half and caused my pilot to not start

Posted on Jul 31, 2008

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Have changed all plugs and coil packs but still giting miss in 1 3 5 cil think its a short in wire hornins but cant find a diagram


If you are getting a misfire code on those three cylinders (all on just that one bank of engine!), it's probably not an electrical short, but something else causing misfire. Misfire codes are set when the power output from that cylinder is less than expected: the pcm senses a crankshaft lag in power output and sets the code.

Typically, misfires are caused by weak or missing spark, or by fuel/air mixture problems, or by low cylinder compression. The fact that your misfires are all on one bank (side) of the engine sounds suspiciously like the fuel/air mixture might be wrong for that bank, or the cylinder compression is low on that bank.

You could use a spark tester just to check spark on 1, 3, & 5. Use a calibrated spark tester to compare both banks-all 6 cylinders. I think you will see equal spark at all cylinders. The only shorts would be in the spark plug wires. And not likely all 3 went bad at once, although you could check them, maybe swap a few around and see if the misfire follows the wire.

Start looking for air or vacuum leaks that only affect bank 1. Possibly an intake manifold leak, could also be an exhaust leak, something that affects the air/fuel mixture in the bank 1 cylinders. Also you could do a compression test of the cylinders to make sure bank 1 is good, same compression as in bank 2 (the other side of engine). Just some tips to help you out, good luck.

Feb 20, 2016 | Cars & Trucks

1 Answer

What does Fuel Sys 1 CL. mean?


Generic scanners usually use this terminology to indicate left or right bank.....chances are 1 will be bank 1-3....2....4-6..We use the PIWIS factory tester so I may be incorrect in my assumption....Codes??

Feb 11, 2015 | 2000 Porsche Boxster

1 Answer

Hi I have a 2004 mustang gt and we change the fuel pump and fuel filter and then we check the injectors with a tester and bank 1234 on the passenger side is out and 5678 on the left side is on and ain't no...


Sounds like the power splice to bank one is lost. By injection tester, do you mean a noid light?

Do you understand how the fuel injection circuit works? When the ignition key is in the on position, all of the injectors will have constant battery voltage applied to them. Bank 2 (#'s 5,6,7,8) is good- they are all pulsing. The same power wire is spliced to all 8 injectors. The other wire at each injector is the ground wire, and each ground wire goes separately into the engine computer to be internally grounded for a split second. That is the pulse of the injector, and is when it sprays fuel into the cylinder.

So think about it. Your 5,6,7,8 is working right, but 1,2,3,4 are not pulsing. Not likely 1234, all 4 separate ground wires, just went bad like that. More likely that 1234 not getting voltage to them through that common hot wire. You can check it real fast: check for voltage on any injector connector on bank 1, with the key in ON. The inj. connector only has two wires, a power and a ground wire. One of them should be hot in on. If no power on bank 1 injectors, trace it back to the engine harness. Somewhere, the power wire will splice off between bank 1 and bank 2.

Nov 04, 2014 | Cars & Trucks

1 Answer

Exclamation marks is red on dashboard, diagnosis shows code 171 and 174


P0171 System too Lean (Bank 1)
P0174 System too Lean (Bank 2)
So why does another fault light come up when brake pedal pressed ,Try reading the codes again with a diagnostic tester that has the relevant codes built into the machine and not a micky mouse device

Nov 29, 2013 | 1999 Ford Ranger SuperCab

1 Answer

My 96 nissian maxima turns off when driving down the road i try to turn the key ,lights in dash on horn blows but will not startcould it be alternater ,or what how does the 02 sensor go by functioning ...


As of 1996,all cars sold in the US were required to have an OBD-II computer interface port.
You may want to go to Advance Auto Parts, AutoZone, or Pep Boys, and get a free read
of the code(s) that you computer may be posting to help with your diagnosis.

The code coming from your vehicle's computer may be one or more of:


P0130 02 Sensor Circuit Malfunction (Bank I Sensor 1)
P0131 02 Sensor Circuit Low Voltage (Bank I Sensor I)
P0132 02 Sensor Circuit High Voltage (Bank I Sensor 1)
P0133 02 Sensor Circuit Slow Response (Bank 1 Sensor 1)
P0134 02 Sensor Circuit No Activity Detected (Bank I Sensor 1)
P0135 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)
P0136 02 Sensor Circuit Malfunction (Bank I Sensor 2)
P0137 02 Sensor Circuit Low Voltage (Bank I Sensor 2)
P0138 02 Sensor Circuit High Voltage (Bank I Sensor 2)
P0139 02 Sensor Circuit Slow Response (Bank 1 Sensor 2)
P0140 02 Sensor Circuit No Activity Detected (Bank 1 Sensor 2)
P0141 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
P0142 02 Sensor Circuit Malfunction (Bank I Sensor 3)
P0143 02 Sensor Circuit Low Voltage (Bank I Sensor 3)
P0144 02 Sensor Circuit High Voltage (Bank I Sensor 3)
P0145 02 Sensor Circuit Slow Response (Bank 1 Sensor 3)
P0146 02 Sensor Circuit No Activity Detected (Bank I Sensor 3)
P0147 02 Sensor Heater Circuit Malfunction (Bank I Sensor 3)
P0150 02 Sensor Circuit Malfunction (Bank 2 Sensor I)
P0151 02 Sensor Circuit Low Voltage (Bank 2 Sensor I)
P0152 02 Sensor Circuit High Voltage (Bank 2 Sensor 1)
P0153 02 Sensor Circuit Slow Response (Bank 2 Sensor 1)
P0154 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 1)
P0155 02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)
P0156 02 Sensor Circuit Malfunction (Bank 2 Sensor 2)
P0157 02 Sensor Circuit Low Voltage (Bank 2 Sensor 2)
P0158 02 Sensor Circuit High Voltage (Bank 2 Sensor 2)
P0159 02 Sensor Circuit Slow Response (Bank 2 Sensor 2)
P0160 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 2)
P0161 02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 2)
P0162 02 Sensor Circuit Malfunction (Bank 2 Sensor 3)
P0163 02 Sensor Circuit Low Voltage (Bank 2 Sensor 3)
P0164 02 Sensor Circuit High Voltage (Bank 2 Sensor 3)
P0165 02 Sensor Circuit Slow Response (Bank 2 Sensor 3)
P0166 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 3)
P0167 02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 3)

Note: "Bank 1" is the side of the engine with cylinder 1. "Bank 2" is the other side.

P0300 - Random/Multiple Cylinder misfire detected
P0301 - Cylinder 1 misfire detected
P0302 - Cylinder 2 misfire detected
P0303 - Cylinder 3 misfire detected
P0304 - Cylinder 4 misfire detected
P0305 - Cylinder 5 misfire detected
P0306 - Cylinder 6 misfire detected
P0307 - Cylinder 7 misfire detected
P0308 - Cylinder 8 misfire detected
P0313 - Misfire detected with low fuel


Maximas with the VE30DE and VQ30DE engines use a distributorless ignition system that is controlled by the Engine Control Module (ECM). The ECM receives a signal from the crankshaft sensor (the CPS - Crankshaft Position Sensor), and processes the signal based on inputs
from other various engine sensors, including the Oxygen sensor.
(this is the role of the O2 sensor in ECM operation).
Then the ECM sends signals to each of the individual coils in the proper firing order.
This system is more efficient than a distributor, and has fewer moving parts. The high voltage coils are directly attached to each spark plug, allowing a higher energy spark within the cylinder. A high energy spark means a faster, more thorough burning of the air/fuel mixture, which produces more power and lower emissions.


SECONDARY SPARK TEST - works for all cars, including Maxima.


1. Remove the spark plug.

2. Install the spark plug to the ignition coil/coil pack, then attach the coil wiring.

3. Ground the plug at a good ground location on the engine.

4. Crank the engine and check for spark.

5. If spark occurs, the ignition system is functioning properly.

6. If no spark exists, test the ignition coil/coil pack, power transistor and related wiring.

----------------------------------------------------------------------------------------------------------------------------
HEI Ignition Spark test - works for all cars, including Maxima.

The next level test you may want to try is a HEI (high energy ignition) spark tester kit. Cost is
about $30 at most auto parts stores. Harbor Freight Tools sells a chinese equivalent for about $16.
Place the spark tester on each of the spark plugs, and watch as the little light in the tester will
light up each time the spark plug is fired by the computer. You can actually see weak or
intermittent sparking as the motor runs - you can tell by the relative strength of the light as
you compare the intensity and duration of the light across all 6 cylinders.

If your problem were the alternator (or its built-in voltage regulator), your battery would not be
getting a proper charge, and you
wouldn't be able to start the car after a drive, since the battery would have been drained during the
drive - normally, the alternator will both charge the battery and run all electrical
features of the car during a drive.

To test your alternator, place your DMM (digital multimeter) across the battery terminals while the
car is running - it should read 13.5VDC to 14.5VDC. With the car off, you can test your battery
voltage with the same DMM - it should read 12.65 VDC (for a fully charged battery).

Alternatively, you can take your car to Advance Auto Parts, AutoZone, or Pep Boys, and they'll
attach their "charging system tester" to your car and give your car a nice test for free.
I do this with my customers' cars just to get that nifty printout of the problem. Its nice
to show a vehicle owner somethng in black & white when I'm recommending a new charging
or ignition system component (some of which can be a bit pricey).

Jul 15, 2011 | 1996 Nissan Maxima

1 Answer

Check engin light is on reads code p1153 bank 2 sensor 1 change sensor light is back on and reads same code how do i fix it thanks


if you used a diagnostic code retriever tester, the tester will take the light out, if you do not have a code tester, then disconnect the positive battery cable, for about 1 minute, then reconnect it, the light should be out , but you will have to reset your radio clock, hope that this information has helped you.

Jun 22, 2011 | Chevrolet 1500 Cars & Trucks

1 Answer

The 02 sensor heater circuit bank 1 sensor 1 and the catalyst efficiency below threshold bank1 is showing up on my tester. what would cause this problem?


hi, the first issue is most likely the heated O2 sensor they are pretty common failures. the second cat efficiency can be caused from the first problem. If not then the convert-or is bad and needing replaced. Under Federal law the converters are covered by the manufacture for 8 years so you may want to have this checked soon. Good luck

Aug 26, 2010 | 2002 Honda Accord

1 Answer

1994 buick roadmasters stall when it warms up replaced pcm mafs ingnition module coil cap rotor idle control valve plugs wires will run fine then sputters and eventually stalls they tell me the catalitic...


You need to retrieve the codes using an OB11 meter. It could be a number of things causing your problem. It could be an o2 sensor, coolant sensor, idle sensor or the fuel filter . I doubt it's the converter. OB11 is not too expensive & easily read. They range in price from 40-200 dollars. The cheaper one will suffice. Good luck! PS I don't think OB11 will read on your car; however, check with any autoshop & they may be able to show you the proper tool to obtain the codes. Good luck!

May 23, 2010 | 1994 Buick Roadmaster

1 Answer

2000 lincoln navigator unable to bleed up fuel


I think I would try the easiest thing to fix and then see how much straightened out. The fuel tank vacuum will probably be a gas cap not on tight or defective or a gas vapor line has a hole in it. You may need a smoker to find that leak if the gascap is okay,

Bank 1 should have cylinders 1,2,3,4. Since 3 cylinders that are in the same bank are misfiring it must be lack of fuel or bad spark. The tester said that bank was lean. If the plugs were not firing it would be rich with unburned fuel. The tester also indicated the other fuel tank vacuum bleed problem.

You might try the power connector for the Bank 1 injectors or check the injector wiring for #2,3,and 4 to see if they are getting power.

Remember to clear the diagnostic meter to see if the trouble codes return. Would be interested in the outcome.

Apr 19, 2010 | 2000 Lincoln Navigator

1 Answer

Where is bank 1 on a 2001 ford taurus?


If it was the upper o2 this is the one.This does not mean the o2 is bad,check the spark plugs and boots,and fuel pressure.The fuel ratio is not correct on that bank.

Apr 13, 2010 | 2001 Ford Taurus

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