Question about 1997 Ford Expedition

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Engine running rough

Getting a code that says bank 1 running rich and various cylinders are miss firing

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  • oliversasset Jan 25, 2009

    tried that. also changed plugs and coil packs, as well as I A T sensor and am still having the same problem

  • oliversasset Jan 25, 2009

    how do you reset the timing with it having the crank sensor and cam sensor

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Run a Couple of cans of B12 Chemtool through the gas Tank 1 Can ata Time on a Full tanl of gas. This will Clean the Entire Fuel System and is the Best that you can use. If this does not work, Let me know so that we can start Checking the Ignition system, Plugs, Wires and Distributor. The first Solution is the Cheapers though.

Posted on Jan 25, 2009

  • Travis Humphries
    Travis Humphries Jan 25, 2009

    Have you had the Timing reset? Timing being off could cause the Same Problems.

  • Travis Humphries
    Travis Humphries Jan 25, 2009

    There is a Special Timing Light that many of the Updated Mechanics have now to set it. I wish I could afford one!

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Vehicle CEL is on, various codes


P0300 is a random miss fire , a vacuum leak can cause this as well as low fuel pressure ! weak fuel pump , clogged fuel filter !
DTC P0171: Fuel Trim System Lean Bank 1
DTC P0174: Fuel Trim System Lean Bank 2 These two codes are saying the PCM - engine computer is see a lean condition .
DTC P0191: Fuel Rail Pressure (FRP) Sensor Performance
Circuit/System Description
The fuel pressure sensor is located on the fuel line. The fuel pressure sensor monitors the fuel pressure in the fuel line. The fuel pump flow control module (FPCM) monitors the voltage signal from the fuel pressure sensor.

You don't say what make , model an year vehicle ! These are for GM vehicles , yours could mean something else . Except the first three , those are genaric codes , same for all makes ! So can't say what this codes are P2097, and P2099 ! Can't mean this P2097 - Post Catalyst Fuel Trim System Too Rich Bank 1
P2099 - Post Catalyst Fuel Trim System Too Rich Bank 2

Sep 03, 2016 | Cars & Trucks

1 Answer

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

Code po172, po156


Have you had the O2 sensors checked ? Code 172 is for a rich signal from bank one sensor one and code 156 is for a problem with bank two sensor two which is after the catalytic converter.
One of the injectors could be flooding a cylinder, or you could have a faulty sensor.

Jan 18, 2014 | Ford Windstar Cars & Trucks

1 Answer

Volkswagen passat catalytic red hot problem, causes and solution


The catalytic converter will glow red hot when it is burning unburned fuel from the cylinders. One very probably cause is that one of the cylinders is not firing because it has a bad coil. If that is the case, the engine should be running very rough. To find out which coil... either get the engine code read, or unplug the wire from the coil and see if the engine does not run any rougher (put the plug back on quickly because that is more fuel not being burned. Replace that coil with new one from auto parts store (about $30).

IMPORTANT... do not try to figure out what coil is bad by unplugging the coil itself from the spark plug... if you touch the side of the cylinder head with the bottom of the coil, you will short it out and have to buy another one (I speak from experience).

RECOMMENDED - buy one extra coil and keep it in the car. Whenever your car starts to run very rough and have low power, pull over and replace the bad one. It takes 5 minutes tops, and only needs a dime to get the engine cover off. No other tools necessary (well... something to move the connector lock).

Another reason could be it's running rich. That is possible if the Mass Airflow Sensor is bad, or possibly the cam position sensor. These are easy to replace with a Google search showing how.

If your catalytic converter is glowing red hot, you have probably wrecked it. It _may_ be ok, but likely is fried and your engine light will be on and the code will indicate you have low efficiency on catalytic converter on bank X. If a 4 cylinder, then it will always be bank 1 because there is only one. If a V6, then it will be one of the two banks. But it will be the one that glowed red. Cats are expensive, and expensive to install, so if you see your cat glowing red, do not drive the car. Not to mention, Passats leak so much oil that it is a fire hazard.

Good luck!

Oct 10, 2013 | 2003 Volkswagen Passat

2 Answers

What's your problem?service engine soon light on code P0132,P2195, P2196


P0132 FORD - O2 Sensor Circuit High Voltage Bank 1 Sensor 1xicon.jpghttp://engine-codes.com/p0132_ford.htmlForum CodePossible causes- Front Heated Oxygen Sensor Bank 1 harness is open or shorted
- Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection
- Faulty Front Heated Oxygen Sensor Bank 1
- Inappropriate fuel pressure
- Faulty fuel injectors
- Intake air leaks may be faulty
- Exhaust gas leaks
P2195 - O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1

P2196 - O2 Sensor Signal Biased/Stuck Rich Bank 1 Sensor 1

Jun 29, 2012 | Ford Cars & Trucks

2 Answers

Check engine light is on and it reads Misfire on #2 cylinder. Also oxygen sensor bank2 sensor 1 and Bank 1 sensor 3 behind the converter. Engine running rough.


the engine miss fire can cause the other codes to set. you need to repair the miss fire and clear all codes after the miss is repaired then see if the 02 sensor codes return. the miss fire is probably a bad spark plug wire a good tune-up should take care of it ........HAVE A GREAT DAY

Jan 27, 2011 | 1996 Oldsmobile Bravada

2 Answers

My 1999 lincoln is running rough and it says that number 6 is miss firing. where is number 6?


You should have the 4.6 Liter engine. The engine is placed such that the cylinder bank closest to the front of the vehicle contains the #6 cylinder. The #6 cylinder is second from the left.
Please see link!

http://autorepair.about.com/library/firing_orders/bl-fo-4051.htm?p=1

Hope this helps!
Audie

Dec 09, 2010 | 1999 Lincoln Continental

3 Answers

Where is #2 cylinder on 2000 jaguar s type 4.0?And what is code p0302


I recently starting having this problem also (only code p0305/308). That code means "miss-fire" on #2 cylinder. The #2 cylinder is the nearest cylinder on the right (closest to front of car on drivers side) if you are standing in the front of the car.

Jul 12, 2009 | 2000 Jaguar S-Type

1 Answer

Cyl #3 missing


Cracked spark plug, damaged worn plug cable, the clicking, thumping is a result of operator forcing engine to run out of synch, as result of electrical combustion loss. the fact the vehicle continues to run rules out any problem with fuel line - fuel components. Let us know the outcome please.

Dec 19, 2008 | 1998 Isuzu Hombre

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