i was told shell is the worst gas you can run ,was having all kinds of driveability problems ,tailpipe sooting up badly ,rough idle ,hard starting ,low mpg ,was told their fuel soots up bad ,leaves lots of ash deposits ,,changed fuel ,, ran seafoam through ,, no problems goodbye shell ,noticed...
im getting 18 ish in town up to 23 mpg highway if i lightfooot her,, yes fuel pressure regulator ,good idea also ,,you can use starting fluid around the intake and plenum etc at idle your vehicle and see if idle picks up ,do you have a vacuum gauge?? ,check youre vacuum at idle ..youre...
k check o2 sensor ,,timing ,valve lash ,, vacuum leaks cold start time switch and injector if its starting hard ,, my 86 efi was just gobbling fuel ,took it to 5 shops including dealership ,, all it was was ,drum roll ,,,,,,,,,,,,coolant temp sensor was out , $ 20.00 part! mileage...
hey everyone ,found this site surfing have a cherry 86 extra cab , into backroading ,camping ,hunting and wrenching ,,,,anyone from eastern washington state here?