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Car Forum / Porsche / Porshe 944 / February 200586 944... Converter fire
I would appreciate some input from the group. Engine very rough on startup - would not smooth out until warmed up. They gave the mechanical and electrical a going over, all they could find was one cylinder (not sure if it was the first in the firing sequence) which was lagging. It was suggested I take it out for a "clean out" but before that happened, they started it up, left it idling on the lot, unattended, and the converter overheated. It caused a fire up through the shifter linkage and around the interior of the shifter column. Vehicle has approximately 250,000 kms. The converter has not been examined, but it must be plugged. Would that cause the engine to malfunction in the manner described and be the "un-discovered" reason for the problem in the first place? t42 Maybe it is a translation thing but, what is a converter? >I would appreciate some input from the group. Engine very rough on >startup - would not smooth out until warmed up. They gave the mechanical [quoted text clipped - 9 lines] > > t42 Devil--I would suspect that they are referring to the catalytic. Brian Moore 87 944 na > Maybe it is a translation thing but, what is a converter? > >I would appreciate some input from the group. Engine very rough on [quoted text clipped - 10 lines] > > > > t42 Torque converter? I can imagine the fore pump becoming clogged with crud if the previous owner failed to change the tran fluid. Could affect the idle by causing excessive drag from the internal friction. Trully strange situation. Hard to believe an owner could let the tran get so gummed up. Hadn't considered an automatic trans--- good point -- Brian Moore 87 944 na > Torque converter? I can imagine the fore pump becoming clogged with > crud if the previous owner failed to change the tran fluid. Could > affect the idle by causing excessive drag from the internal friction. > Trully strange situation. Hard to believe an owner could let the tran > get so gummed up. I think the poster is referring to the catalytic convertor catching fire as he notes smoke and flame coming up through the shifter hole... f.y.i... the torque convertor on a 944 automatic is at the transaxle at the back end, not at the engine as would be expected >Torque converter? I can imagine the fore pump becoming clogged with >crud if the previous owner failed to change the tran fluid. Could [quoted text clipped - 3 lines] > > >From what the poster told us the smoke is coming from UNDER the car. There is of course a culprit in the cat conv but I would think that hydraulic fluid dripping onto the exhaust would be more likely. Are the cooling lines to the tran located near the exhaust or cat conv ? sounds like you need a cap and rotor mis fire will cause a rich condition in the exhaust system and over time can destroy the cat just one of the possible problems that could be a factor also fuel pressure regulator or dampener leaking on the intake side more fuel than air > >From what the poster told us the smoke is coming from UNDER the car. > There is of course a culprit in the cat conv but I would think that > hydraulic fluid dripping onto the exhaust would be more likely. Are the > cooling lines to the tran located near the exhaust or cat conv ? |
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