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Throwing Codes

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Old 31 Aug 2017, 08:46 am
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Default Throwing Codes

I have a 2003 PT GT. I checked the codes last night and looks like it is throwing a few: P1188, P0420, and P0441. I checked the codes because I can hear almost a whistling when I accelerate. I looked up the codes and am going to change the plugs as they need to be done anyway. Looks like maybe a loose vacuum hose related to the turbo. Any thoughts?
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Old 31 Aug 2017, 08:55 am
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Location: Darien, IL | Forest Park, IL
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Default Re: Throwing Codes

nevermind.. crack in exhaust manifold maybe?

Last edited by rob302; 31 Aug 2017 at 09:02 am.
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Old 31 Aug 2017, 09:20 am
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Default Re: Throwing Codes

P1188 TIP Sensor Performance

Non-boost Mode: PCM detects a significant difference between TIP Sensor signal and BARO Pressure signal.

Boost Mode: The TIP Sensor is unable to read correct boost level.

Possible causes include:

Hoses and Tubing
Vacuum Supply to Surge Solenoid
Solenoid Test
Wastegate Actuator

Check all of the tubes and hoses between the air cleaner and the intake manifold for loose connection, damage or restriction.

Check all of the tubes connected to the intercooler for loose connection, damage or restriction.

Check all of the tubes and hoses connected to the turbocharger, TIP Solenoid, Surge Solenoid and Wastegate Solenoid for loose connection, damage or restriction.
If at First You Don't Succeed - Try, Try Again
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