Valve Body. These may cause over drive cycling.
full bulletin at NHTSA ↗2005 Jeep Liberty engine problems
severe 56 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
Owners have filed 56 engine complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
Among the 8 model years of Jeep Liberty in our records for engine problems, this one ranks #2 by owner-complaint volume.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
NAG1 (5A580) Valve Body As per Warranty Bulletin D-13-22, please use R2108213A$ valve body for all Warranty (W), Mopar (M) and Mopar Vehicle Protection (F) claims.~ Assembly also includes Filter (52108325AA) and Gasket (52108332AA).~
full bulletin at NHTSA ↗Part Description: 5.7L Long Block Issue Description: This 5.7L Long Block Assembly is compatible with both EGR and Non-EGR applications. An EGR Block-Off Plate (53032739AA) must be ordered when installing this Long Block Assembly in a Non-EGR application. Unless, the EGR Block-Off Plate is being transferred from the old engine.
full bulletin at NHTSA ↗Part Description: 5.7L Long Block Issue Description: This 5.7L Long Block Assembly is compatible with both EGR and Non-EGR applications. An EGR Block-Off Plate (53032739AA) must be ordered when installing this Long Block Assembly in a Non-EGR application. Unless, the EGR Block-Off Plate is being transferred from the old engine.
full bulletin at NHTSA ↗Part Description: Valve Body Assembly Issue Description: Valve body design was changed between 2010MY and 2011MY applications. To prevent mix matching valve bodies and solenoid packs the connectors are color coded.~ Valve bodies with a white connector can be used on 2010, 2009, 2008..., model years. Valve bodies with a gray connector can only be used on 2011, 2012, 2013..., model years.~ Solenoid packs with a white connector are used with 2010, 2009, 2008..., model years. Solenoid packs with a gray connector are used with 2011, 2012, 2013..., model years.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2005 Jeep Liberty's engine and related systems have generated over 56 complaints of serious, sometimes life-threatening failures. Owners report the check engine light coming on repeatedly from week one of ownership—often tied to EVAP leaks, EGR valve faults, or undefined faults that dealers cannot consistently diagnose.
EGR valve failures are the most common recurring complaint, with some vehicles requiring five or more replacements. The valve fails, check engine light comes on, dealer replaces it, and within weeks the light returns. One owner's diesel had to visit the dealer three times in quick succession for the same failing EGR valve.
Acceleration and power loss are widespread: vehicles stall at intersections, lose power on highways, jerk violently during acceleration, and shudder between 55–60 mph. Diesel models particularly suffer unpredictable stalling after cold starts, sometimes stranding owners in traffic with no warning.
Cooling system failures—melted fan modules, plastic radiators separating at seams, and broken fan blades—cause overheating and engine damage. Oil circulation failures result in engines filling with metal debris and seizing. Electrical failures cause complete loss of power on highways, with warning lights flashing before stall. Two cases documented fires under the hood.
Engines fail prematurely: one at 105,000 miles, its replacement at 62,000 miles. Dealers have replaced multiple Power Control Modules (five times in one case), yet failures recur. Chrysler frequently charges diagnostic fees ($1,060 in documented cases) and denies assistance once warranty expires, even for repeat failures.
Same Jeep Liberty engine reports on nearby years: 2006 · 2008
Failure modes owners describe
EVAP System - Repeated Check Engine Light & Small Vapor Leaks
Check engine light illuminates repeatedly over weeks or months, consistently pointing to small evaporative emissions leaks. Dealers perform smoke tests, clear codes, replace gas caps, and check fuel pump seals. Broken hoses under the vehicle have been found and repaired, but the problem recurs.
When: As early as 1 week after purchase; throughout first year of ownership
Symptoms owners cite: Check engine light comes on repeatedly; Small vapor leak codes detected; Smoke test results inconclusive or unable to duplicate
Codes mentioned: Small EVAP leak, Vapor leak code
Repairs/costs cited: Gas cap replacement, fuel pump ring retorquing, broken hose repair, system smoke testing
Recalls/TSBs owners mention: No recall noted; dealers clear codes and perform testing but problem recurs
Acceleration Problems & Power Loss - Diesel & Gasoline Models
Vehicles exhibit severe hesitation, bucking, or complete loss of acceleration without warning. Owners report needing to baby vehicles into dealerships, stalling during turns or intersections, and unpredictable lurching. Dealerships have replaced EGR valves multiple times, transmission components, and torque converter parts; reprogramming and reflashing have been attempted but failures persist.
When: Various mileages from low miles (under 2,000) through higher mileage; recurring intermittently
Symptoms owners cite: Severe acceleration hesitation or failure to accelerate; Vehicle lurches and jerks violently during acceleration and braking; Stalling during turns and at intersections; Vehicle shudders between 55–60 mph; Vehicle stutters at 55–60 mph on highway; Loss of power without warning
Codes mentioned: Transmission issues, Torque converter out of range, EGR fault codes
Repairs/costs cited: EGR valve replacement (multiple times in some vehicles), transmission parts replacement (front pump, seals), torque converter reprogramming, computer reflashing
Recalls/TSBs owners mention: TSBs issued for computer reflashes; not effective; Lemon Law requests filed by owners
Uncontrolled High-RPM Engine Revving & Throttle Control Faults
Engine suddenly revs to high RPM without driver input, nearly causing accidents. Accelerator pedal reported to pop loose and snap back. Electronic throttle control and check engine lights illuminate. Loose turbocharger wiring and faulty throttle body identified as causes.
When: 67 miles; recurring episodes
Symptoms owners cite: Engine revs at high RPM without warning while driving at normal speed; Accelerator pedal pops loose and snaps back into position; Sudden increase in acceleration without driver command; Throttle control light flashing and staying on; Full throttle activation by electronic control while driving
Codes mentioned: Throttle control fault, Electronic throttle malfunction
Repairs/costs cited: Turbocharger loose wire connection repaired, computerized system reprogrammed, throttle body replacement
Recalls/TSBs owners mention: Dealer provided repair; dealer sent check to owner for last incident
Random Stalling & Cold-Start Transmission Lock-Up
Vehicles stall randomly at startup after overnight rest or during initial drive from driveway/parking lot. Transmission locks up and engine stalls at intersections, sometimes leaving vehicle stranded in traffic path. Occurs on CRD diesel models. Dealerships have visited 4+ times without resolving issue; factory tech and Auburn Hills service unable to provide solution.
When: Random, once per week average; since new
Symptoms owners cite: Random stalling after overnight rest (minimum 8 hours); Transmission locks up at cold start; Engine stalls during drive after shifting into drive; Vehicle stalls in middle of intersection with engine off; Occurs unpredictably, making safety workarounds impossible
Repairs/costs cited: 4 visits to dealership with no repairs completed
Recalls/TSBs owners mention: Dealership states no known problem; factory tech and Auburn Hills service have no solution
Engine Failure - Overheated Rocker Arm, Cam Shaft & Lifter Failure
Engines fail prematurely, losing all power on highway at cruise speeds. First engine died at 105,000 miles with check engine light and failed EGR valve under warranty; replacement engine installed. Second replacement engine failed at 62,000 miles due to overheated rocker arm, cam shaft, and lifter failure. Chrysler refused assistance after warranty expired and charged $1,060 diagnostic fee.
When: 105,000 miles (first engine); 62,000 miles (replacement engine)
Symptoms owners cite: Engine suddenly loses all power on highway; Complete engine failure requiring replacement; Oil light may illuminate before failure
Codes mentioned: Engine failure due to overheated rocker arm, cam shaft, and lifters
Repairs/costs cited: Two complete engine replacements; second replacement cost owners $1,060 diagnostic fee; full replacement cost approximately $4,500 for remanufactured engine
Recalls/TSBs owners mention: No assistance offered after warranty expiration; Chrysler declined help despite second failure
Oil Circulation Failure & Engine Sludge/Metal Contamination
Engines fail due to oil not flowing through lines properly. Oil light illuminates and loud knocking from under hood follows loss of all power. Diagnostic testing reveals engine filled with metal debris and sludge. In one case, cam seals failed due to pressure buildup and blow out twice after replacement; metal shavings from engine block found in oil pump.
When: 3 weeks after purchase (1,000 miles); various mileages through 180,000+ miles
Symptoms owners cite: Oil light illuminates; Loud knocking from under hood; Loss of all power while driving; Engine requires 3 quarts of oil per day until fixed; Cam seals fail and blow out repeatedly
Codes mentioned: Oil pump failure, Engine damage from metal contamination
Repairs/costs cited: Complete engine replacement needed; metal shavings found in oil pump; cast iron pieces fell from engine block during oil pump removal
EGR Valve Failures - Repeated Replacements & Mounting Block Defect
EGR valve repeatedly fails and requires replacement multiple times (up to 5+ replacements in some vehicles). Check engine light comes on, vehicle hesitates and loses power, and symptoms recur shortly after replacement. One vehicle required replacement of the mounting block itself to finally resolve issue. EGR valve failure can cause complete power loss on highway at highway speeds.
When: Various mileages; recurring
Symptoms owners cite: Check engine light illuminates; Vehicle hesitates and loses power; Difficulty accelerating, especially during merges; Vehicle stalls without warning; Loss of all power while driving highway speeds
Codes mentioned: EGR valve fault, EGR system error
Repairs/costs cited: EGR valve replaced multiple times (2-5+ replacements); one vehicle required replacement of mounting block; parts frequently on backorder
Recalls/TSBs owners mention: TSBs issued for EGR replacement; factory acknowledges problem but parts on backorder
Cooling Fan Failures & Radiator Damage
Electric cooling fan assembly melts, breaks into pieces, or fails, causing engine overheating and damage. Plastic radiator and plastic cooling fan (not metal) are prone to failure. Fan module melting causes coolant system failure. Radiator separated at seams or requires replacement multiple times over vehicle's life.
When: 215,000 miles (cooling fan module melt); various other mileages; recurring throughout ownership
Symptoms owners cite: Temperature gauge rises rapidly; Cooling fan fails or breaks into pieces; Engine overheats causing damage; Plastic radiator fails; Plastic cooling fan breaks; Radiator separates at seams
Repairs/costs cited: Cooling fan assembly replacement, radiator replacement (multiple times in some vehicles), short block replacement, water pump replacement
Recalls/TSBs owners mention: Some vehicles recalled for cooling fan issue but not all model years; manufacturer disputes applicability to some vehicles
Electrical System Failures - Battery, Alternator & Throttle/Battery Warning Lights
Electrical system fails while driving on highway, causing loss of all electronics, lights, and engine power. Throttle and battery warning lights flash and stay on. After starter and battery replacement, same warning lights reappear within 30 miles and vehicle stalls again. Rear hatch opens, windows stick down. Second engine replacement and new battery installed; alternator suspected but battery dead so failure history cannot be retrieved.
When: Various mileages; recurring within short distance of repair
Symptoms owners cite: Throttle and battery warning lights flash; Complete loss of electronics and lights; Engine stalls on highway; Vehicle will not restart; Rear hatch opens unexpectedly; Windows get stuck in down position
Codes mentioned: Throttle control fault, Battery warning
Repairs/costs cited: Starter replacement, battery replacement, alternator suspected but undiagnosed
Recalls/TSBs owners mention: Chrysler tow service provided; authorized dealer unable to diagnose after second event
Engine Stalling & Loss of Power - Sudden Without Warning
Vehicles stall suddenly and without warning while driving at various speeds (highway and city speeds). Engine restarts after brief delay or does not restart and requires towing. Causes range from fuel and water separator leaks to throttle body failure to unknown causes. In one case, all oil and water lost from engine.
When: Various mileages from 35,500 to 180,000 miles
Symptoms owners cite: Vehicle stalls suddenly without warning; Loss of power while driving; Vehicle will not restart or restarts after delay; Dashboard lights illuminate before stall; Loss of all oil and water from engine
Codes mentioned: Throttle body failure, Fuel and water separator failure
Repairs/costs cited: Fuel and water separator replacement; throttle body replacement needed
Recalls/TSBs owners mention: No assistance or recall noted
Engine Fire Under Hood
Vehicles catch fire under hood while parked in driveway or at startup. Black smoke comes from under hood. One vehicle had EGR valve replaced previously but connection to fire unclear. Vehicle totaled in one case.
When: 86,376 miles; other mileages unknown
Symptoms owners cite: Fire under hood while parked; Black smoke from under hood; Fire during startup attempt
Repairs/costs cited: Vehicles totaled; no repairs attempted in documented cases
Cylinder Misfire & Valve Issues
Engines misfire causing check engine light and rough operation. Spark plugs and air filter replaced but issue persists. One case involved intake valve failure requiring engine replacement. Sticking valve causing engine failure and rapid deceleration at highway speeds.
When: 160,000 miles; various other mileages
Symptoms owners cite: Engine warning light illuminates; Vehicle shakes while driving; Engine misfires; Rapid deceleration from sticking valve; Low PSI detected
Codes mentioned: Cylinder 3 misfire, Engine misfire fault
Repairs/costs cited: Spark plug replacement, air filter replacement, oil change, intake valve or complete engine replacement needed
Recalls/TSBs owners mention: No manufacturer assistance offered
Turbocharger Failure & Oil Leak from Turbo Return Line
Turbocharger fails requiring replacement; defective turbo diagnosed by dealer. Oil leaks from turbo return line. Check engine light illuminates due to turbo issues.
When: 58,000 miles; various other mileages
Symptoms owners cite: Check engine light illuminates; Oil leak from turbo return line; Popping noise in rear end when reversing; Defective turbocharger
Codes mentioned: Turbo fault code
Repairs/costs cited: Turbocharger replacement
Recalls/TSBs owners mention: No assistance offered after first failure; failure recurred
Power Control Module (PCM) Repeated Failures
Power Control Module fails causing vehicle to stall at highway speeds without warning. Module replaced 5 times with problem returning after each replacement within one month.
When: 70 mph stalling incident; replacements recurring within one month intervals
Symptoms owners cite: Vehicle stalls without warning at highway speed; Loss of pressure when depressing accelerator; Tire pressure light illuminates (normal pressure); Problem returns after PCM replacement
Codes mentioned: Power Control Module fault
Repairs/costs cited: Power Control Module replaced 5 times
Recalls/TSBs owners mention: Dealership unable to diagnose recurring problem
Fuel System & Fuel Pump Issues
Fuel system failures including fuel pump ring leaks and general fuel system issues. Part shortages prevent timely repairs under recall campaign.
When: Various mileages
Symptoms owners cite: Fuel system code
Codes mentioned: Small EVAP leak, Fuel system fault
Repairs/costs cited: Fuel pump ring retorquing; recall parts on backorder (parts arriving one every two weeks)
Recalls/TSBs owners mention: NHTSA Campaign 13V252000 (fuel system recall); parts unavailable or on backorder
Engine Overheating & Cooling System Issues - Temperature Gauge Disputes
Temperature gauge indicates overheating but Chrysler claims vehicle will not overheat and problem is gauge malfunction. No known repair available. Owner uncertain if actual overheating or gauge problem.
When: Unknown mileage
Symptoms owners cite: Temperature gauge indicates overheating; Uncertain if actual engine overheating or gauge fault
Repairs/costs cited: No repair available per manufacturer claim
Recalls/TSBs owners mention: Chrysler states no overheating issue; problem is temperature gauge
Harmonic Balancer & Serpentine Belt Pulley Separation
Rubber between harmonic balancer and serpentine belt pulley separates while driving, causing loss of steering assist and power.
When: Unknown mileage
Symptoms owners cite: Loss of steering control; Pulley rubber separation
Repairs/costs cited: Harmonic balancer and serpentine pulley replacement
Pre-Heater Fire Hazard - CRD Diesel
CRD diesel pre-heater leaks and starts fire on connector. Manufacturer redesigned part, indicating acknowledgment of defect.
When: Unknown mileage
Symptoms owners cite: Pre-heater leaking; Fire on pre-heater connector; Electrical fire hazard
Repairs/costs cited: Pre-heater replacement with new redesigned part
Recalls/TSBs owners mention: Parts redesigned by manufacturer, indicating acknowledgment of problem
Check Engine Light - Intermittent Illumination Without Diagnostic Clarity
Check engine light comes on repeatedly with no clear diagnosis or resolution. Dealerships clear codes and state no problem found, yet light returns. Factory representative unable to duplicate issues.
When: Throughout ownership; various mileages
Symptoms owners cite: Check engine light illuminates intermittently; Light comes on without clear diagnosis; Light returns after code clearing
Codes mentioned: Unknown/no codes found or codes cannot be confirmed
Repairs/costs cited: Code clearing; multiple visits to dealer without resolution
Recalls/TSBs owners mention: Factory representative unable to duplicate problem in some cases
Synthesized from 56 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 0 most recent
Common questions
How serious is the engine problem on the 2005 Jeep Liberty?
It's a meaningful issue. 56 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $3,100.
At what mileage does the engine typically fail?
Across the 41 complaints that reported odometer mileage, most engine failures cluster between 20,000 and 132,026 miles, with the median around 62,000. A quarter of owners report trouble before 20,000; a quarter make it past 132,026. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.