cute the hood sticker shows the timing freeze pins? nice and 5deg, BTDC
yes your photo is the DLC, for freeze.
all sounds great your tests.
pvc shows water from short runs,
if engine is hot and drops below 800 rpm
turn the bleed screw, (top of TB rear ,under black cap) 1 turn CCw, SEE IF ISC WAKES UP. FROM SLEEP THIS ADDS AIR.
If that fails, check idle switch for 0v, TPS.
tps pin 2 to ground. using dmm meter, volts. key on. dont need to be running.
0v = idle
pin 1 is bottom pin
The bad idle deal
when you tickle the right toe as the RPM falls below (spec 800) a tiny amount now ,causes rpm to rise tells me the EGR is not stuck and that the engine wants air.
is cylinder 1 still running rich, and turning the spark tip black.... if yes, that is serious. sounds like injector or spark bad. there.
if there is no misfire, at idle then check idle switch for closure 0 volts, and if ok, set the bleed screw valve at turn out.
i can really hear engine well enough at idle drop to judge what its doing.
happy trails
yes your photo is the DLC, for freeze.
all sounds great your tests.
pvc shows water from short runs,
if engine is hot and drops below 800 rpm
turn the bleed screw, (top of TB rear ,under black cap) 1 turn CCw, SEE IF ISC WAKES UP. FROM SLEEP THIS ADDS AIR.
If that fails, check idle switch for 0v, TPS.
tps pin 2 to ground. using dmm meter, volts. key on. dont need to be running.
0v = idle
pin 1 is bottom pin
The bad idle deal
when you tickle the right toe as the RPM falls below (spec 800) a tiny amount now ,causes rpm to rise tells me the EGR is not stuck and that the engine wants air.
is cylinder 1 still running rich, and turning the spark tip black.... if yes, that is serious. sounds like injector or spark bad. there.
if there is no misfire, at idle then check idle switch for closure 0 volts, and if ok, set the bleed screw valve at turn out.
i can really hear engine well enough at idle drop to judge what its doing.
happy trails
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