2012 MITSUBISHI LANCER EVOLUTION

Typical onset: 60,000-90,000 mi

Symptoms: Harsh shifting or refusal to engage gears when hot, Burning smell from transmission tunnel after spirited driving, Transmission warning light and limp mode, Shuddering during low-speed launches

Fix: SST fluid and filter service buys time if caught early (2 hours labor), but clutch pack replacement requires transmission removal and disassembly—typically 12-16 hours. Upgraded transmission cooler is mandatory preventive measure. Many owners add aftermarket coolers around 40k mi.

Estimated cost: $4,500-7,500

Typical onset: 80,000-120,000 mi

Symptoms: Cold-start rattle for 2-3 seconds that worsens over time, Check engine light with cam/crank correlation codes (P0016, P0017), Rough idle and loss of power, Metallic rattling under acceleration

Fix: Requires timing chain kit, guides, tensioners, and often VVT solenoids. Front-engine access means 10-14 hours labor. If ignored until chain jumps, valve-to-piston contact destroys the head—add another $2k-3k for head work or replacement. Oil change intervals beyond 5k mi accelerate wear dramatically.

Estimated cost: $2,800-4,200

Typical onset: 50,000-80,000 mi

Symptoms: Binding or lurching sensation during tight turns, Clunking from center of vehicle during shifts under load, AWD warning light (occasional), Metallic particles visible in drained fluid

Fix: ACD (Active Center Differential) fluid should be changed every 30k mi but is often skipped. Contaminated fluid destroys the pump and clutch packs. Fluid service is 1.5 hours; full ACD rebuild requires trans-out work at 8-12 hours. Catch it early with religious 30k fluid changes using Diaqueen or equivalent.

Estimated cost: $180-350 (fluid service) / $3,500-5,000 (rebuild)

Typical onset: 70,000-110,000 mi

Symptoms: Persistent ticking from valve cover area, cold or hot, Ticking that doesn't go away after warm-up, Gradual loss of top-end power, Excessive oil consumption (more than 1 qt per 3k mi)

Fix: Hydraulic lifters collapse or wear due to oil coking from extended intervals or low-quality oil. Replacement requires cylinder head removal (8-10 hours) and often leads to discovering worn cam lobes or guides, necessitating head resurface or replacement. Some techs replace all lifters prophylactically during timing chain jobs.

Estimated cost: $2,200-3,800

Typical onset: 60,000-100,000 mi

Symptoms: Rattling or chattering at idle that disappears under boost, Blue smoke on startup or during deceleration, Loss of boost pressure above 4,000 rpm, Excessive oil consumption and fouled spark plugs

Fix: OEM turbo from tuned or abused cars shows bearing wear or wastegate actuator rod play. Replacement turbo install is 6-8 hours including coolant/oil feed lines and gaskets. Many opt for upgraded units (ETS, FP, Blouch) at similar labor cost. Oil starvation from low levels or clogged pickup accelerates failure.

Estimated cost: $1,800-3,200 (OEM) / $2,500-4,500 (upgraded)

Typical onset: 50,000-90,000 mi

Symptoms: Excessive drivetrain movement during hard launches, Clunking when shifting or releasing throttle, Vibration transmitted to cabin at idle, Difficulty engaging gears smoothly

Fix: Soft OEM mounts fail quickly under aggressive driving. All four mounts (engine, trans, pitch stop) should be evaluated together—2-4 hours total. Upgraded polyurethane or solid mounts reduce movement but increase NVH. Budget for all four if one has failed.

Estimated cost: $600-1,200

Typical onset: 80,000-130,000 mi

Symptoms: Fuel starvation under sustained high load or high G cornering, Stumbling or lean misfires above 5,500 rpm, Difficulty starting when fuel tank below 1/4, Check engine light with fuel trim codes

Fix: In-tank pump weakens over time; filter (often neglected) clogs from tank sediment or ethanol breakdown. Pump/filter replacement requires tank drop—3-5 hours. E85 users see accelerated wear. Upgraded pumps (Walbro 450) common for tuned cars but overkill for stock.

Estimated cost: $800-1,400