Engine cranks 5 - 6 times when cold. If IAC electrically disconnected starts with 1/4 turn hot or cold. This engine has a rebuilt TB and new IAC motor. What could be the problem? Checked for vacuum leaks, can't find any. Vacuum measured when running, 20 "hg and steady. Any ideas?:???:
My C3500 will not lite up quickly after sitting ( 24hrs). I installed a new fuel filter, pump, lines and TBI ( rebuilt) This truck has the long fuel pump run time (~20 secs) to ensure vapour lock doesn't occur. I installed a fuel pressure gauge and get 11 psi ( gauge cal. checked). The gauge...
My 95 C/K 3500 turns over 10 times or more if it has not been started in the last 12 hrs. Before going to start position, I wait 5 secs with the key in the on position ( can hear the fuel pump running) and then turn it over. Once it starts the one time it starts quickly and runs very smoothly...
New to the forum,
I have a 1995 chevy c/k 3500 5.7l with the 4L80E (17 Bolt). The small name plate on the passengers side of the tranny has Tubro Hydro Matic 5B SP and below that is I think the date of manufacture 95 5166. What does the 5B SP denote?
Thanks