Help please - rough idle, shudder & lots of codes
#1
Help please - rough idle, shudder & lots of codes
Hi everyone,
I'm having some problems out of one of my Discos. Here is some background:
1999 D2 159k, had a CEL for the bank one front 02 sensor. I replaced the 02 sensor. A few weeks later I noticed the truck was running a little rough, but no codes were present at first, then the 02 sensor code came back. I reset the code & over the next couple of days the rough running got rougher, louder & now the truck sort of shudders occasionally. I was overdue for plugs & wires so I replaced those this past weekend. Didn't seem to make any improvement. Here are the codes I pulled tonight:
P0130 02 Circuit Bank 1, Sensor 1
P0455 Evap Emission System Leak Detected (gross leak, no flow)
P0150 02 Circuit Bank 2, Sensor 1
P0174 System Too Lean (bank 2)
P1174 Lambda Control Adaption fault Bank 2. Last occurrence - maximum signal
P1300 Catalyst damaging misfire multiple cylinders. Drive cyclec: signal out of range - above maximum
P0308 Cylinder 8 Misfire detected
I am at a loss on where to start. Ideas?
Thanks guys!
I'm having some problems out of one of my Discos. Here is some background:
1999 D2 159k, had a CEL for the bank one front 02 sensor. I replaced the 02 sensor. A few weeks later I noticed the truck was running a little rough, but no codes were present at first, then the 02 sensor code came back. I reset the code & over the next couple of days the rough running got rougher, louder & now the truck sort of shudders occasionally. I was overdue for plugs & wires so I replaced those this past weekend. Didn't seem to make any improvement. Here are the codes I pulled tonight:
P0130 02 Circuit Bank 1, Sensor 1
P0455 Evap Emission System Leak Detected (gross leak, no flow)
P0150 02 Circuit Bank 2, Sensor 1
P0174 System Too Lean (bank 2)
P1174 Lambda Control Adaption fault Bank 2. Last occurrence - maximum signal
P1300 Catalyst damaging misfire multiple cylinders. Drive cyclec: signal out of range - above maximum
P0308 Cylinder 8 Misfire detected
I am at a loss on where to start. Ideas?
Thanks guys!
#2
Replace the two front O2 sensors.
Replace the gas cap.
Reset and erase all codes and see what comes back if any.
For difficult codes use
http://enginecodemaster.com
P0130 02 Circuit Bank 1, Sensor 1
P0455 Evap Emission System Leak Detected (gross leak, no flow)
P0150 02 Circuit Bank 2, Sensor 1
Replace the gas cap.
Reset and erase all codes and see what comes back if any.
For difficult codes use
http://enginecodemaster.com
P0130 02 Circuit Bank 1, Sensor 1
P0455 Evap Emission System Leak Detected (gross leak, no flow)
P0150 02 Circuit Bank 2, Sensor 1
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