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| 85 GT Losing Power While Driving (Page 2/2) |
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CZSeventyFive
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OCT 09, 03:57 PM
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Alright here's a picture of where its pooling kinda underneath everything. Its definitely oil. 
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Patrick
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OCT 09, 04:08 PM
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Without being there to look around more carefully... I'd guess it might be the distributor O-ring. A very common source of oil leaks on the 2.8 V6.
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CZSeventyFive
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OCT 09, 05:47 PM
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Would a leak like this cause power failures like described or is this more likely a different (and likely minor, I'd assume) issue altogether then (if the o-ring/leak is the case, that is)? Unless it's leaked so much oil to cause to problems.
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Patrick
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OCT 09, 06:01 PM
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| quote | Originally posted by CZSeventyFive:
Would a leak like this cause power failures like described...?
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No.
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CZSeventyFive
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OCT 09, 06:15 PM
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Figured, but thought I'd ask. Will have to try it to seal it up anyways.
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Patrick
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OCT 09, 07:28 PM
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| quote | Originally posted by CZSeventyFive:
Will have to try it to seal it up anyways.
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Don't get a rubber O-ring. It'll just get hard and oil will leak by it again. Get This or one similar locally.
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CZSeventyFive
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OCT 17, 04:56 PM
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Ended up looking at it some more, got a fuel pressure gauge to see how it went...was definitely all from fuel pressure losses while driving. Checking the lines on the fuel pump seemed to indicate to the guy who was helping me with this that pressure was unstable on the return lines (?) or something. This was a couple days ago. I don't have a good place to work on that myself for the time being, but I might take it in to a professional for this, see if it's the pump indeed.
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Patrick
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OCT 17, 05:06 PM
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| quote | Originally posted by CZSeventyFive:
Ended up looking at it some more, got a fuel pressure gauge to see how it went...was definitely all from fuel pressure losses while driving.
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So what were the readings?
| quote | Originally posted by Patrick:
When you do a fuel pump pressure test, make sure to also note how long the pressure holds after the engine is turned off.
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[This message has been edited by Patrick (edited 10-17-2020).]
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