The rubber ring on my M42 vibration damper has a hairline crack encircling the entire ring. Seems like this could cause problems when it warms (and if it flexes around the crank axis) but I'm just guessing. Anyone on here know what it takes for the rubber to fail enough to cause problems? I'm fishing for the source of the following problem:
Car starts, sounds, and idles fine when cold. Poor engine response to acceleration though, and response worsens as engine warms. Car stalls after moderate to hard acceleration when warm. May briefly restart, but dies immediately. DME relay seems to still be clicking on restart attempts. Check engine light works but isn’t illuminated after stall. Stomp code = 1444. Car restarts on the first try if I let it sit a few hours (not fun on city freeway with no shoulder though.
Car's current condition:
- dashboard temp needle moves, but never past half-way mark
- tiny coolant seep (not dripping) under intake, but coolant level is pretty steady
- resistances of crank, cam, and throttle position sensors and coils are all normal
- spark plugs are a few months old
- air hoses, IAC valve, air filter, fuel pump, fule filter, and fuel pressure regulator are <1yr old
- I installed a spare AFM, but get the same problem
- mechanic installed timing components <1 yr ago
- leaks oil, but I keep it above half full
- belts are two years old, no cracks
- Recently been hearing a faint, brief chirp when pulling away from a stops
Car starts, sounds, and idles fine when cold. Poor engine response to acceleration though, and response worsens as engine warms. Car stalls after moderate to hard acceleration when warm. May briefly restart, but dies immediately. DME relay seems to still be clicking on restart attempts. Check engine light works but isn’t illuminated after stall. Stomp code = 1444. Car restarts on the first try if I let it sit a few hours (not fun on city freeway with no shoulder though.
Car's current condition:
- dashboard temp needle moves, but never past half-way mark
- tiny coolant seep (not dripping) under intake, but coolant level is pretty steady
- resistances of crank, cam, and throttle position sensors and coils are all normal
- spark plugs are a few months old
- air hoses, IAC valve, air filter, fuel pump, fule filter, and fuel pressure regulator are <1yr old
- I installed a spare AFM, but get the same problem
- mechanic installed timing components <1 yr ago
- leaks oil, but I keep it above half full
- belts are two years old, no cracks
- Recently been hearing a faint, brief chirp when pulling away from a stops
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