Possible "Limp Home" mode problem
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This is a discussion on Possible "Limp Home" mode problem within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; I have a 2002 WRX, Just installed a Megan Downpipe and an STI Uppipe, when I started my car, my ...

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    Unhappy Possible "Limp Home" mode problem

    I have a 2002 WRX, Just installed a Megan Downpipe and an STI Uppipe, when I started my car, my check engine light came on, and my car started acting really funky. Was wondering if anyone knew how to resolve this problem?

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    Well to my knowledge you cant just throw a tbe with out somekind of engine management. Do you have a cobb A/P or something else. Could be leaks at the flanges.

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    Registered User vroompssh's Avatar
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    well as far as i know you can run a tbe with out engine management but its alot safer to run it with engine management
    wingless urban Grey metallic 06 wrx sedan
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    Boba Fett BrianH's Avatar
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    Quote Originally Posted by BuntaGO View Post
    I have a 2002 WRX, Just installed a Megan Downpipe and an STI Uppipe, when I started my car, my check engine light came on, and my car started acting really funky. Was wondering if anyone knew how to resolve this problem?
    STi uppipe with no EGT sensor. No reading from the EGT can put your car into a limp mode. Did you do a restistor fix? If so you may want to doublecheck your work. Also, I know it's stupid but you did put your front o2 sensor back in that's in the passenger wheel well right?

    Also need to pull your code.

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    Registered User WRX13oy's Avatar
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    Quote Originally Posted by BrianH View Post
    STi uppipe with no EGT sensor. No reading from the EGT can put your car into a limp mode. Did you do a restistor fix? If so you may want to doublecheck your work. Also, I know it's stupid but you did put your front o2 sensor back in that's in the passenger wheel well right?

    Also need to pull your code.
    +1

    same thing happened to me a few days after i installed my gutted uppipe. just unplug the egt plug and you should be ok to drive till you get the resistor mod
    SOCAL F4#02 OG member

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