LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

1993 LS400 engine stumbles or hesitation

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Old 04-04-17, 09:37 AM
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olddogneed
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just s thanks to you for all that info on capacitors. everything and i mean every word, is the gospel truth. some of which i have forgotten since college. So thank you for reminding of some of the more subtle hints at capacitor replacement.
Old 01-01-20, 05:31 PM
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Moparmon7
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Default Engine miss at low speeds running rich exhaust odor stalling

Originally Posted by Purevenom1
Yea I have seen that already. Thanks. I have already did the plug wires since it was due for some. That didnt change anything. Checked the coils and several other sensorsand they all checked to be good. Replaced the coolant sensors since I saw where that was the cause on one of them and its still doing the same thing. Going to put on a new TPS and check the fuel pump later on. Just didnt know if there was anything definite since they are so many related issues.
Removed maf sensor wiring connector cleaned and tightened connectors by closing them a little And put dielectric grease engine runs perfect now
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