i had the same problem, 78psi on the fuel rail, resulting in constant code 45's (too rich).
replaced stock fpr with a atr afpr, problem solved. actually another problems that i tried to track down for a long time has been solved as well: hunting idle, truck dying
when putting from d to p...
ok, it was not the fpr..... :(
and: of course ideling is better with the map-sensor disconnected, because it is way too rich then.....
continued chasing vac-leaks: the axle of the throttle-plates (where it leaves the tb) is loosing pressure... is this normal ??
thanx & regards- phil
i don't know yet, ed, i am not in the garage anymore...
but it looks pretty much like it, so that's why i am looking for other unpayed bills now.... :P
but i keep you posted, for shure.
phil
thanx for the hints, guys !
i changed the egr-valve today, since it was sticky anyway- no change.
we made a intresting observation while replacing the vacuum-lines that are going with a T to the map-sensor and to the fpr: when we disconnected and closed the entrance to the tb, the engine idled...
thanx seattlesy...
doublechecked that, they are all where they should be...
found out that the egr-valve could be the culprit: it's quite sticky and
might be leaking.....
what about the coil ? does it affect ideling ?
thanx again & regards- philipp
Re: bad Idle-what else can i do... ?
thanx ParTyBoy for the quick answer !
my plugs are AC R42TS, and Cap&Rotor are what the local us-car specialist
sold me as appropriate...
beside the idle-problem the truck is running pretty well, the hunting was actually already there before i changed a...
hello syty-experts,
half a year ago i bought my ty and just love it..... exept for this
very little but non the less very annoying problem with hunting
when ideling. sometimes the engine even stalls. the main problem is:
i can't find any real coherence between any state the engine is and the...