The 2007 Focus is generally reliable transportation, but the 4-speed automatic transmission (4F27E) is its Achilles heel, prone to internal failures and cooler line leaks. Manual transmission models fare much better overall.
4F27E Automatic Transmission Internal Failure
Common · high severity
Typical onset: 80,000-140,000 mi
Symptoms: Harsh or delayed 2-3 shift, especially when cold, Slipping under acceleration or going into limp mode, Whining or grinding noise from transmission, Metal shavings in fluid during service
Fix: This Mazda-designed 4-speed is notoriously weak. Clutch packs wear prematurely, servos fail, and valve body issues are common. Rebuild runs 12-16 hours labor; used replacements are gambles. Fluid changes every 30k might延long life slightly, but many fail regardless.
Estimated cost: $2,200-3,800
Transmission Oil Cooler Line Corrosion and Leaks
Common · medium severity
Typical onset: 70,000-120,000 mi
Symptoms: ATF puddles under engine, typically passenger side, Low transmission fluid level, slipping symptoms follow, Visible corrosion on steel cooler lines near radiator
Fix: Steel cooler lines rust through where they pass along the subframe, especially in salt states. Replace both lines at once (2-3 hours). Don't just patch—the rest will fail within months. Some techs fab stainless replacements for longevity.
Estimated cost: $350-650
Coil Pack and Spark Plug Failure (2.0L Duratec)
Occasional · medium severity
Typical onset: 60,000-100,000 mi
Symptoms: Misfire codes (P0300-P0304), rough idle, Hesitation or stumble during acceleration, Check engine light flashing under load
Fix: The coil-on-plug design cracks internally or arcs to the valve cover. Replace all four coils and plugs together (1.5 hours). Use Motorcraft or equivalent—cheap aftermarket coils fail within a year. Plugs should be copper-core, not platinum in this engine.
Estimated cost: $400-650
Lower Control Arm Bushing Deterioration
Common · low severity
Typical onset: 80,000-130,000 mi
Symptoms: Clunking over bumps from front end, Steering pulls or wanders, especially after hitting bumps, Inner edge tire wear on front tires
Fix: Front lower control arm bushings split and separate, causing alignment issues. You can press new bushings in (2 hours per side) but most shops replace the whole arm assembly for reliability (1.5 hours per side). Always do alignment after.
Estimated cost: $450-750
Throttle Body Carbon Buildup (2.0L especially)
Occasional · low severity
Typical onset: 70,000-120,000 mi
Symptoms: Rough or high idle (1,200+ RPM), Stalling when coming to a stop, Hesitation or flat spot at low RPM
Fix: Electronic throttle body accumulates carbon on the butterfly plate, causing erratic idle air control. Remove and clean with throttle body cleaner (0.8 hours). Relearn idle procedure required after reinstall. Some need replacement if motor fails ($300-500 part).
Estimated cost: $120-250
EVAP Purge Valve Failure
Occasional · low severity
Typical onset: null
Symptoms: P0443, P0455, or P0456 EVAP codes, Rough idle or stalling right after refueling, Fuel smell from engine bay
Fix: Purge valve sticks open or closed, causing fuel vapor issues and emissions failures. Mounted on intake manifold, easy replacement (0.5 hours). Cheap part ($40-80), but verify with smoke test before throwing parts—could also be gas cap or canister vent valve.
Estimated cost: $100-200
Owner tips
If buying automatic, budget for a transmission—it's a matter of when, not if
Change ATF every 30,000 miles with Mercon V, might buy you time
Manual transmission models are significantly more reliable long-term
Inspect cooler lines annually in rust-belt states, catch leaks early
Use Motorcraft ignition parts on the 2.0L—aftermarket fails quickly
Solid budget commuter IF you find a manual or have $3k set aside for eventual automatic replacement—otherwise risky.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.
Fitment notes: Standard top post battery; verify fitment for ST trim with 2.3L engine
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Every control module on the 2005-2007 Ford Focus — where it lives, replacement time, and what it takes to program a replacement. Modules marked dealer / factory tool won't work after a part swap alone — budget for programming.
⚠️ Not a separate module. Key programming requires IDS. Maximum 8 keys can be programmed.
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour? Tell us — corrections ship fast here.
K2 MOTOR IS RECALLING 1,921 AFTERMARKET HEADLAMPS OF VARIOUS MODELS SOLD FOR USE ON THE ABOVE LISTED VEHICLES. THESE HEADLAMPS ARE MISSING THE AMBER SIDE REFLEX REFLECTOR WHICH FAILS TO CONFORM WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT."
Consequence: WITHOUT THE AMBER SIDE REFLEX REFLECTORS, THE LIGHTING VISIBILITY MAY BE AFFECTED, POSSIBLY RESULTING IN A VEHICLE CRASH.
Remedy: K2 MOTOR WILL NOTIFY OWNERS AND OFFER A FULL REFUND. THE RECALL BEGAN ON DECEMEBER 17, 2008. OWNERS MAY CONTACT K2 MOTOR AT 1-909-839-2992.
FUEL SYSTEM, GASOLINE · 06E056000
2006-06-13
CERTAIN AFTERMARKET FUEL FILTERS SOLD UNDER THE PUROLATOR BRAND NAME, P/N F65277, SHIPPED FROM JANUARY 16 THROUGH JUNE 2, 2006, FOR USE ON THE ABOVE LISTED PASSENGER VEHICLES. DUE TO INCORRECT DESIGN, THE QUICK CONNECTORS MAY NOT FULLY SEAT WITH THE TUBE INTERFACE, EVEN THOUGH THE PERSON MAKING THE CONNECTION MAY BELIEVE THAT THE QUICK CONNECTOR IS FULLY ATTACHED.
Consequence: FAILURE OF THIS CONNECTION COULD LEAD TO FUEL SPILLAGE AND, IN THE PRESENCE OF AN IGNITION SOURCE, A FIRE COULD OCCUR.
Remedy: UFI WILL NOTIFY OWNERS AND REPLACE THE FILTERS FREE OF CHARGE. THE RECALL BEGAN ON AUGUST 4, 2006. OWNERS MAY CONTACT UFI FILTERS USA AT 800-230-5876.
Fuel economy (EPA)
City
20mpg
Highway
29mpg
Combined
23mpg
Fuel
Regular Gasoline
Capability & size
EPA class
Compact Cars
Wiper blades
Second generation (Mk2). Hatchback/wagon have rear wiper.
Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 2007 Ford Focus 2.3L I4 Duratec and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years.