2003 Chrysler PT Cruiser Turbo MoPower Stage 1 ECU Flash (MTX/ATX)

In 2003, Chrysler added a turbocharged 2.4L engine to the PT Cruiser lineup, transforming it into one of the most exciting retro hatchbacks on the road. MoPower Calibrations now offers a Stage 1 ECU Flash designed specifically for the 2003 PT Cruiser Turbo (manual or automatic). This tune delivers significant gains in horsepower and torque while retaining stock reliability.

Important – ECU Core Requirement

The 2003 PT Cruiser Turbo ECU was a one-year-only unit. To flash our calibration, you must provide a 2004–2005 PT Cruiser Turbo ECU core. Ship us your working ECU, we’ll flash it with the MoPower Stage 1 tune, and return it to you. We do not stock ECU cores.

Stage 1 Features

Boost increased to 16–18 psi (automatic slightly lower)
+15–20 HP and +20–30 ft-lbs torque vs stock
Improved turbo spool and throttle response
WOT shift boost hold feature (PCM-controlled boost)
Signature MoPower exhaust decel popping
Rev limiter raised to 6600 rpm (custom options available)
No factory speed limiter or torque management
Modified fuel and spark maps for safe, consistent power
92+ octane fuel required

Perfect For

This Stage 1 flash delivers gains similar to our SRT-4 Neon Stage 1 calibration. It’s ideal for cars running factory injectors, turbo, and sensors, while also pairing well with bolt-ons such as intake, exhaust, and catless downpipes.

Disclaimer

All MoPower calibrations are for off-road / racing use only
Illegal for road use in many states and provinces
Not for sale or use in California

Unlock the hidden potential of your turbocharged PT Cruiser with MoPower’s Stage 1 ECU Flash. Send us your 2004–2005 ECU today and enjoy sharper throttle response, more boost, and the unmistakable MoPower sound.