Drawmain

http://www.ecklerscorvette.com/corve...1984-1991.html

terry82

they forgot all about the 82 s.now I feel like the red headed step child.

Scott0757

Was at the Syracuse Nationals last weekend and was able to buy a 3 pin connector pair at a swap/parts booth. Made my own test connector for $4. Worked great. I was close but not quite in range from setting it based upon sound/sputtering of the TBI.

Still not sure if I have other issues as I do get a surge/chug at time when cruising about 1800 to 2200RPMs.

Took off and cleaned the EGR valve and checked vacuum lines to the EGR and solenoid.
Should the EGR be a tight seal without the vacuum? I could pull air through it when it was supposed to be fully seated. Maybe the EGR needs to be replaced?
Thoughts?

TravisF

This may help, WINAldl. It's a free download, but the interface cable to connect your car to the laptop is a little pricey. The program and all its features does have a learning curve however, once you open WinAldl on your laptop and connect the cable from your car to the laptop, information about how your car is running is immediate. This is how I set my TPS and its right on the money.

Scott0757

New TPS sensor did the trick....pricey tho at $70 at Adv Auto. But now my 84 is on the block....picked up a clean 87 2.5 weeks ago...under 46k miles..quite a difference in performance.

454Luvr

Holy Moley - that sensor is $132 at Eckler's!! I got one a few weeks ago at Rock Auto for $27, but haven't installed it yet. Hope it's not just a poor quality repro.

Glad you're getting everything fixed up. This is my first older car with TBIs, so every step forward feels like a big accomplishment.

Hot Rod Roy

I just set the TPS on my '84 by sliding the test probes of my multimeter into the back of the TPS connector, right along side of the wires. No special connector needed, and don't need to pierce the wires. Bottom wire is ground, center wire is signal. Top wire is 5 v.