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Lotus Esprit Turbo wastegate actuator failure — Lotus Esprit (1976–1987) | MyCarFault
🚗 Classic Fault — Lotus Esprit (1976–1987)

Lotus Esprit Turbo wastegate actuator failure

🟢 Solved Easy 🏁 Original spec 2 hrs
Community fix rate — 16 confirmed fixes
82% success rate
💰 Estimated Repair Cost
$30 – $150 GBP
Parts and labour estimate
🔧 Tools Required
Vacuum pump, boost gauge
📋 Overview

The wastegate actuator diaphragm on Turbo Esprits tears, causing either overboosting or no boost.

🩺 Symptoms
🔍 Possible Causes
🛠️ Diagnosis Steps

Check actuator diaphragm by applying pressure — should hold. Check wastegate moves freely.

Most Confirmed Fix

Wastegate actuator replacement

82% of users confirm this fix worked (16 reports)

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