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Old Jun 9, 2008 | 04:04 PM
  #1  
EVOllie's Avatar
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From: Bel Air, Maryland
Limp mode

When you get a mis-fire code, does the car pull timming or go in to limp mode?

Can anyone explain all that for me? It would be appreciated, thanks
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Old Jun 9, 2008 | 05:13 PM
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merkzu's Avatar
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From: Twin Cities, MN
I'm pretty sure there is no such thing as limp mode on an Evo unless you consider knocking into the low octane maps limp mode
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Old Jun 9, 2008 | 09:03 PM
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theres no such thing as limp mode, when the car misfires, the ECU detects its it & will pull timing
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Old Jun 10, 2008 | 02:30 PM
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From: Bel Air, Maryland
i seen a few people on here refer to that as limp mode, thats why i was asking.

So does it pull a certain amount of timming through the whole map or does it go in to low oct map? cause my low and high are the same right now.
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Old Jun 10, 2008 | 03:44 PM
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From: Houston, TX
Originally Posted by 03RRVIII
theres no such thing as limp mode, when the car misfires, the ECU detects its it & will pull timing
I've had my car go into limp mode and it is was associated with a MAS fault code. The effect was full rich and ran on the lo octane maps.

A misfire usually triggers a P0300 code and a SES light. But afaik no power is lost, unless it is associated with knock, boost cut or what the ECU detects considers a engine damaging condition.
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Old Jul 12, 2008 | 11:23 AM
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From: DFW
I have used the term limp mode before in reference into to the engine break noise my car makes after throwing a p0300. My afrs go extremely lean and I virtually can not accelerate. This condition persists until I let off of the gas and sometimes until I pop the clutch.
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