Code reader
#4
That's a tough question. Is the oxygen sensor the problem itself or is it just reporting it? Even professional techs have a hard time diagnosing O2 sensor codes correctly on the first try.
Looking at the whole picture, you have a couple of O2 heater codes and a couple of O2 sensor signal code. It looks like these affect all three of your sensors but on different circuits. I would check for a melted/pinched wire harness or something like that that is common to all the sensors.
That is, of course, unless you created some false codes by running the truck with the sensors unplugged.
The P0446 is probably unrelated since it is for the fuel tank evap system.
Looking at the whole picture, you have a couple of O2 heater codes and a couple of O2 sensor signal code. It looks like these affect all three of your sensors but on different circuits. I would check for a melted/pinched wire harness or something like that that is common to all the sensors.
That is, of course, unless you created some false codes by running the truck with the sensors unplugged.
The P0446 is probably unrelated since it is for the fuel tank evap system.
#5
Ok thanks. The only thing I can think of that I may have done was that I shorted out my park lights and had to get into the relay/fuse box under the hood and you may know how much of a ***** it is to get that lid off. Maybe when I put it back on I pinched a wire in a close by harness. Cause It was that same night that the check engine light first came on. The thing was idleing funny too. it would go from 2 grand to 1, to 2, to 1, etc. for about 30 seconds.
#6
#13
#15
#16
Originally Posted by Kdog03
On the OBD II code reader. Theres a green, yellow, and red light. Green means everythings good, yellow-emisions problem, red-emisions problem and code registered. I thought maybe someone else has an OBD II reader.
#18
Originally Posted by Kdog03
- Possibility 1: There is a pending trouble code. To prevent false codes, the trouble must be found during 2 successive "trips". You're still on the first trip.
- OR ... Possibility 2: all of your emission monitors have not completed and your vehicle is not ready for state I/M testing.
The first one means that you are likely to have a CEL in the near future since the PCM has already found something that doesn't pass.
The second doesn't mean anything except that you haven't driven the truck long enough or under the right conditions for all of the monitors to run to completion. This will not light a CEL.
Thread
Thread Starter
Forum
Replies
Last Post
V8 Level II
Ranger Products, Company, & Member Reviews
2
06-20-2005 08:47 AM
n3elz
General Technical & Electrical
7
01-21-2005 11:10 AM