1997 chysler LHs timing belt.. #1 bank runing to rich.tooth off and 1-3 cylinders off which side is # one bank

firing order is 1-2-3-4-5-6

the #1 cylinder is the one closest to the timing belt on the back side. #2 is closest to the timing belt on the front side

BANK 1 Is On Same Side As Cylinder 1---Therefore Bank 2 Is The Other Side--Sensor 1 Is Top Sensor (close to engine) YES--Can Cause To Run Rich And Random Misfire. So Can A Injector. You Probably Should Have It Scanned (in data stream) To Check Function--If It Is Bad, It Will Show. DO NOT REPLACE WITH UNIVERSAL O2 SENSOR.

There are MANY things that can cause misfires including ignition coils, spark plugs, ignition cables, valve timing, cylinder compression, etc.

The first thing I would do is to double-check to make sure you connected the ignition wires to the correct coils. If one is incorrect, you will have at least 2 cylinders that will misfire, and it is possible to have all 3 of them mixed up.

Other than that, I would say that you should look for a broblem that is causing ALL of the cylinders on the rear bank to misfire. One possibility is a loose timing belt that could have skipped a tooth, causing the valve timing on the rear bank to be out of time.

Check, for 1997 Chrysler LHS 3.5 liter SOHC V-6 VIN "F"... bank #1 is refer at cylinder #1



Hope this helps.

P1131 -1. Misfire on bank 1
2. Vacuum leak affecting bank 1
3. Fuel injector problem bank 1

P1130 - 1. Fuel pressure high or low
2. MAP sensor dirty/defective
3. Vacuum leak on engine
4. Leaking fuel injector or fuel pressure regulator

If only code p0300 exists, one bank fuel trim is lean, and the other bank fuel trim is rich, it is wrong camshafts timing. If you mismatch one tooth on timing belt, the result is engine minor misfire and code p0300 is set.
Please remove the timing belt and match up the line marks on the timing belt with the marks on the camshaft and crankshaft pulley. Please pay attention to the arrow on the timing belt point to the front

Cylinder #1 is on the right bank of the engine. So if you are looking at the front of the engine(where the serpentine belt is) it will be on the left. The right bank is the firewall side of the engine.

timing could be off and still start most likely bank 1 may have jumped a tooth 135 is on bank 1

Bank 1 is the side that has # 1 cylinder in it, the sensor is located in the exhaust head pipe before the Cat Converter, one note of caution: an O2 code does not always indicate an O2 sensor problem, it depends if the code is a lean code or a rich code, lean may may be a sensor, rich is never a sensor, lean codes can be caused by all kinds of issues, a bad MAF, a vacuum leak from hoses or a leaking intake gasket, an injector problem and so on. Good luck hope it is the sensor.

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