Search results
-
N
What would be a full vacuum line replacement?
I have not run a smoke test but I think replacing the rubber and plastic parts can't be a bad thing in this old truck. Can anyone give me some advice on making sure there's no vacuum leaks? I definitely don't know this well so your expertise is really valuable! From what I found researching...- ninety1500
- Thread
- Replies: 2
- Forum: Engine Performance + Maintenance
-
N
Will someone help me interpret my TunerPro output so I know if I should load the parts cannon?
Thank you so much in advance y'all! So I was able to get TunerPro RT working and I went for a 10 or 15 minute drive in the old gal. I did not have any codes when I checked with the paperclip method. Some of the "issues" that concern me: - Pretty strong smell of "running rich". I hope this...- ninety1500
- Thread
- logs tunerpro
- Replies: 26
- Forum: Engine Performance + Maintenance
-
N
Where and how many O2 / oxygen sensors in my 1990 V8 5.7L? (verifying what I see in the Chilton)
Hi everyone, I just want to double check and verify what I'm reading in the Chilton manual for this truck. I have a 1990 GMC SIERRA 1500 SLE, 4WD, 5.7L V8 TBI. I don't know the transmission that is in it (I hope I'm giving enough information here). The manual says : "The oxygen sensor is a...- ninety1500
- Thread
- 1990 location o2 sensor oxygen sensor sierra
- Replies: 24
- Forum: Engine Performance + Maintenance
-
N
90 Sierra Tunerpro / ALDL problems
I have been having a heck of a time getting tuner Pro or ALDL Droid to work on my 1990 GMC Sierra. The ECU doesn't have any kind of markings on it that I can see. It looks like they've all worn away. I'm hoping that somebody has used tuner Pro on a setup similar to this and could help me out...- ninety1500
- Thread
- Replies: 6
- Forum: Engine Performance + Maintenance
