What to do if your Tahoe has acceleration issue?

I “fixed” all the simpler things first: plugs, wires, distributor cap, rotor, TBI kit, and replaced the Idle Air Control valve on the TB. Even changed thermostat (to get 195 oF) and did a timing check.

What’s the oil pressure on my Chevy Tahoe?

My oil pressure gage runs about 60 (psi??), but has always dropped to about 40-45 when idling a while. Goes on back up to 60 at hiway speeds (and stays near there, even when this TX like problem shows up).

What causes a 95 Tahoe to go crazy?

Had the dealer look at it, was a bad fuel filter. It was pretty clogged up, which lowered the fuel pressure that basically caused the computer to go crazy. I finally found the “acceleration culprit” for my 95 Tahoe.

What should I do about my Chevy Tahoe 5.7?

Went through this with my 99 Tahoe with the 5.7. hooked my scanner up to and noticed I had a o2 sensor reading low, but not enough to set the cell off. Replaced all 4 o2 sensors and made it a whole different truck. 4 people found this helpful.

What kind of engine does a 99 Tahoe have?

I got a 99 tahoe 5.7 vortec with multiple misfires under load/accelerating. So far Ive replaced; plugs, wires, cap n rotor, coil, egr valve, fuel filter, o2 sensors. Tested; vacuum, fuel pressure, OBD 2 scan. All in which came back ok/no codes.

What should pressure be on 99 Tahoe 5.7 Vortec?

We put a pressure sensor in place of the 02 sensor. If the pressure is above 5psi this would indicate some blockage. It should be below 3psi at 2000 rpm. Also if you have K/N filter the oil from it will coat the maf sensor wires in time,, (always).

Why does my 95 Tahoe have no acceleration?

Give it some gas, engine and tranny would kick in, but there was no acceleration. Had the dealer look at it, was a bad fuel filter. It was pretty clogged up, which lowered the fuel pressure that basically caused the computer to go crazy. I finally found the “acceleration culprit” for my 95 Tahoe.