Question about 2001 Pontiac Grand Am

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Had code read and was told it is misfire on bank 6. What does this mean?

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Engine Misfire diagnosis can be complex and there are many reasons for misfires to occur. I suggest you read the article at this link that deals with engine misfires and the diagnosis of them and possible solutions to repair them.

Posted on Nov 08, 2012

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Posted on Jan 02, 2017

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I have a misfiring problems with cylinders 1 and 6. Which ignition coil do i need to change?


Ignition coil one and six or course.The 3.7L uses separate ignition coils for each cylinder. The one-piece coil bolts directly to the cylinder head. Rubber boots seal the secondary terminal ends of the coils to the top of all 6 spark plugs. A separate electrical connector is used for each coil.
Because of coil design, spark plug cables (secondary cables) and a distributor are not used.
Two knock sensors (one for each cylinder bank) are used to help control spark knock.
The Auto Shutdown (ASD) relay provides battery voltage to each ignition coil.
The ignition system consists of:
² 6 Spark Plugs
² 6 Separate Ignition Coils
² 2 Knock Sensors
² Powertrain Control Module (PCM

Dec 10, 2016 | Jeep Cars & Trucks

1 Answer

It has a 3800 cu engine and the upper intake blew up.I have replaced several parts it does not idle like it should.


1. What code (P xxxx) was displayed before you replaced the 02 sensor and which one did you replace.

2. What code or codes (Pxxxx) are displaying now.

3. What are the LT and ST fuel trim readings showing at idle now on your scan tool for each of bank one and bank 2

Jan 09, 2016 | 2002 Chevrolet Impala

1 Answer

I would like to know what these codes mean


P0171 System Too Lean (Bank 1)
P0174 System Too Lean (Bank 2)
P0301 Cylinder #1 Misfire Detected
P0302 Cylinder #2 Misfire Detected
P0304 Cylinder #4 Misfire Detected
P0306 Cylinder #6 Misfire Detected

Mar 12, 2014 | 1999 Ford Explorer

2 Answers

I have a toyota corolla 2003 and it did not pass the emission test due to a sensor with code P0175


so get it fixed? no engine size posted. so ???? impossible to be accurate.
or DIY, you have tools? and skills. to do that.
it means the Oxygen sensor has issues.
means bank 2 is stuck rich
bank 2 means car is V6. bank 2 means bank with #2 cylinder loc.

for much better, reasons and test. see here

http://www.scantool.net/software/alldata-diy-1-month-subscription.html

is this the only DTC code.??? no others, and did you use a scan tool
that can read all Toy codes, like P1xxx ? codes factory codes.
if not you missed the boat.
my wild guess. (i do tests in real world)
bank 2 is rich.
due to what?
1: misfiring, ever do a tune up? see fouled spark plugs bank 2, look.
2: injector leaking.

there are lost of tests, im not going to list them all.
but it takes tools and time.
compression at spec. bank 2?
OIL FOULED SPARK PLUGS, there, oops.
or bad COP on bank 2,




Jan 14, 2014 | 2003 Toyota Corolla

1 Answer

1996 5.7 vortec misfire cyliner 4 and 6


have you cleared the codes between fault reads
clean the maf first .....replace the maf if faulty
coil packs ?
injectors

Apr 16, 2017 | 1996 Chevrolet Tahoe

1 Answer

06 vw passat with code po 2098 possible problem and a possible fix


If you mean P2098 read on, Po 2098 is not a vaild code, all codes for OBD2 have one letter (P, B, etc.) and four numbers 0-9.
P2098 VOLKSWAGEN - Post Catalyst Fuel Trim System Too Lean Bank 2
Possible causes- Low fuel pressure
- Engine misfire
- Large vacuum leak
- Blocked converter
- Faulty O2 sensor bank 2

Read more: http://engine-codes.com/p2098_volkswagen.html#ixzz2BxcAojuy

Nov 11, 2012 | Cars & Trucks

1 Answer

What do these codes mean ? po430 po420 po306 for mercury cougar 1999


P0430 code is(catalyst efficiency below threshold on bank 2)
P0420 code is((catalyst efficiency below threshold on bank 1)
P0306 code is(cylinder 6 misfire detected)

Dec 13, 2011 | 1999 Mercury Cougar

1 Answer

I was told I failed the NY inspection test due to error codes po172 and po300. What do these indicate is wrong and where the problem may be??


p0300 is code for miltible misfires. The p0172 is code for a rich reading from engine bank #1, this code may be set by the misfireing causing raw fuel to exit that bank to the sensor in the exhaust system. The most common cause is spark related, spark plugs, wires, dist. cap. etc. A less common cause is with the fuel injection system.

Jun 24, 2011 | 1996 GMC Yukon

1 Answer

2003 mercedes Benz C240 codes P0300, P0301, P0302 and P0303. Please, help me how to fix?.


P0300 Random Misfire Detected
P0301 Cylinder 1 Misfire Detected
P0302 Cylinder 2 Misfire Detected
P0303 Cylinder 3 Misfire Detected
according to this fault codes first mark ignition coils
3 ---------------- 6
2 ---------------- 5
1 ---------------- 4
RB-------------LB
this right banks and left bank, please remove Ignition coils with lids and spark plugs from right bank and swap with left bank, if fault code change as
P 0304 Cylinder 4 Misfire Detected
P 0305 Cylinder 5 Misfire Detected
P 0306 Cylinder 6 Misfire Detected
You can Identify it's a faulty ignition system then next swap ignition lids from ignition coils be careful each coils have two lids one short and other long bit deference and when you remove and fix it to the car keep in mind correct order because each coil two different fire for two spark plugs don't mix up, if you mix it can create the fault code.if you detect any fault ignition coils or spark plugs or lids replace that and also whether god or bad recommend to replace spark plugs, find the right that's most important thing, if this way couldn't found the any ignition fault next step is check fuel presser, when the engine running fuel presser must be around 4.5 bar without engine running must be 4 to 6 bar if the fuel presser too low need to check two different things one is fuel pump other is fuel injectors, in this case you can swap injectors from right bank to left bank and find is the injectors leaking, if not leaking faulty fuel pump.is this information helped you? if yes please leave a comment,

Oct 15, 2010 | 2007 Mercedes-Benz C230 Sedan

2 Answers

Why is my 1997 expedition showing a misfire on number 2 cylinder OBD code PO302. Also I am getting code readings PO174 andPO171 system to lean on Bank 1and 2


PO302 is being a misfire, could mean the plug is bad or the coil is bad for that cylinder. Which can give you the misfire reading and the system to lean codes. Check the #2 coil for firing.

Jan 28, 2010 | 1997 Ford Expedition

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