team
Well-Known Member
- Joined
- November 5, 2008
- Messages
- 214
- Reaction score
- 2
- Year, Model & Trim Level
- 1996
I have an injector pulser and i could only do injectors 1,2,3 for a static pressure drop to check my rough idle problem. Starting with 37psi in the fuel rail and hitting the test for a 100pulse 5ms dropped each injector to 15psi. Does this sound right, i found something online that said that they shouldn't drop more than 7 psi? Just wondering if anyone has actually did this test and what were your results. i am getting random misfires on all cylinder but number 6. No codes thrown, but scanner shows misfires and truck idles rough. 4.0 ohv 168,000 miles, checked coil, vacuum leaks, wires, plugs, egr, and i am in the process of doing a leakdown and compression test.
