1997 GMC Yukon "efi" Questions

Engine will not fire 97 GMC Yukon 5.7L EFI, New long block installed engine has spark, fuel to intake but will not fire. Timing or Fuel? is the spark blue?xheck all the connectors to the mfi iac and ...

...psi, guage never flucuated this much before new engine Brand new long block in a 97 GMC Yukon 5.7L EFI just fired her up, the electronic oil pressure and water temp gauges fluctuate like crazy oil ...

...5 minutes it'll start up fine. No problems during normal driving operations. check the spider.. EFI spiders are in intake and deliver fuel down intake runners,, they get old and crack and dribble ...

...It is best to run a pressure test and a volume test. The pressure may be OK, but, depending on the EFI system on whatever engine you have, but the volume may be insufficient to fuel engine demands. ...

...ignition & fuel disabled, i believe 120 to 150 psi is good, if ok , check #2. If this has the older efi intake, its rare, but also could have a failed intake gasket for that cylinder and be sucking ...

...the injectors are little electrical powered solenoids; check fuses, fuseable links and, the efi

je89 ignition low volts to coil 1989 Jeep Cherokee (i had an 88) for 250k miles. is this the EFI engine , 4.0L I6?, what country? if yes, it has the old funky Renix Bendix EFI. never seen an after ...

what is the EFI fuse on a toyota camry whats the function of a EFI fuse It supplies the EFI Main relay, which in turn powers the fuel pump, ignition switch, and starter relay. In addition it powers ...

efi makes buzzing noise Been having trouble getting my camry to start. First thought i had was the battery was dead. But When I try jump starting the car it makes this loud buzzing noise that seems to

...times same question all 3 times no engine stated sorry we can not every guess engines here. and the EFI wiring is not same on any. nor if in canada, calif or USA FED. cant guess your country or state ...