please help im on the verge of going nuts not being able to figure it out

Response from Matthew0811
1 question asked

start with a compression test. once that is done, make sure you have the wires on correctly. it is easy to cross them.

what was the codes?? when did this start??

Roy

Answered by ASEMaster6371 (expert)
24,852 answers provided

I have done compression. All cyclindrs r over 100 wires aren't crossed I've double checked myself thing so

Response from Matthew0811
1 question asked

Code was lean o2 bank 1 sensor 1 And been doing this for about a month just started out of nowhere

Response from Matthew0811
1 question asked

02 sensor was extremely black when replaced truck started smoking black when o2 sensor light came on so replaced 02 and stopped smoking now just acts like a misfire. Only would smoke under heAvy throttle or towing

Response from Matthew0811
1 question asked

do you have acess to a scan tool?? you need to monitor the long term trims on the o2 sensors to see what is happening

Roy

Answered by ASEMaster6371 (expert)
24,852 answers provided

No I do not have access to a scan tool

Response from Matthew0811
1 question asked

Any way to do so without a scan tool

Response from Matthew0811
1 question asked

What about a injector problem not allowing injector or injectors to fully close and loading up on fuel? Just a thought..

Response from Matthew0811
1 question asked

did you figure out the problem i have a 98 that does the exact same thing please let me know thx

Answered by lawnguy0321
0 questions asked