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The factory intercooler pipe on the Focus ST 2.0 EcoBoost blows off the turbo connection under boost, causing loss of power and a loud whooshing sound. This fault code is stored when the engine control unit detects a specific fault condition. Common causes include sensor failures, wiring faults, and component wear. Always read additional fault codes before replacing parts — multiple codes together provide a clearer diagnosis. Clear the code after repair and test drive to confirm the fault does not return.
Based on 0 driver confirmations
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Ford problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
Had the car remapped to 280bhp. Boost pipe blew off constantly after that. The factory plastic clip genuinely cannot handle the extra boost. Fitted a full silicone boost hose kit and stainless clamps. Not blown off once since across 15k mapped miles.
Parts replaced: Full silicone boost hose kit
Pipe blew off at a track day. Embarrassing. Replaced with an aftermarket silicone pipe and proper stainless clamp. Has never moved since through 20,000 miles and multiple track days. The factory plastic pipe and spring clip design is genuinely inadequate at full boost.
Parts replaced: Aftermarket silicone boost pipe, stainless clamp
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