This calls for a preemptive replacement, right? i.e. the failure will strand
If so, should somebody who knows what they're doing be able to tell by looking
at it? Or isn't it even worth looking....i.e. is the price of the part low
enough so that once I pay somebody to disassemble it, they might as well replace
Seems like when I toasted the crankshaft sensor, the labor was several hundred
bucks and the sensor was something like $14.25....
If it's intermittent:
No one will be able to tell if they can't duplicate the symptoms. But,
neither of the two will strand you completely. You'll just use LOTS of gas
till you get it home and to your favorite mechanic.
Unless you can diagnose the regulator from an injector. Which is easy, if it
has a fuel pressure test port, and you have the problem more frequently.
Put the fuel pressure gauge on, let it sit over night. If the pressure
dropped more than two pounds, take off the vacuum line on the pressure
regulator, see if there is raw fuel in it. Also, remove the plugs, spin the
engine with the plugs out. If one cylinder spits out raw gas it's an
injector. If all do it, the fuel pressure regulator leaked fuel into a
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