Valve Body. These may cause over drive cycling.
full bulletin at NHTSA ↗2006 Chrysler PT Cruiser engine problems
severe 50 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
Failure mileage
Complaints
50
Recalls
0
Avg fix
$3,100
4crashes
1fire
When does it fail?
Of the 50 engine complaints filed for the 2006 Chrysler PT Cruiser, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Of the 6 model years of Chrysler PT Cruiser we track for engine problems, this one carries the most owner complaints on file — 50.
Owners have filed 50 engine complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
NAG1 (5A580) Valve Body As per Warranty Bulletin D-13-22, please use R2108213A$ 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 2006 PT Cruiser engine shows a pattern of severe, safety-critical failures across multiple failure modes. Stalling without warning is the most frequent complaint, occurring at any speed—highway, stop signs, intersections—with no check-engine light and multiple dealer visits unable to reproduce the issue. Several owners report replacing fuel pumps, alternators, transmissions, and timing belts based on speculation, none of which resolved the stalling.
Crankshaft and seal failures dominate the mechanical complaints. The crankshaft exhibits excessive end play (axial movement), which hammers out the main seal repeatedly. Owners report replacing the seal only to have it fail again days or weeks later, leading to massive oil leaks. One owner replaced it three times; another found Chrysler offers a $787 kit plus $2,000 labor with no guarantee. Several blocks required replacement at $4,000–$5,000 when the crank ruined them. One owner with 39,000 miles needed a complete engine replacement.
Motor mounts fail prematurely—one dealer reports performing 20–30 such repairs weekly. Owners replace them only to experience the same failure months later at different mount locations.
Electrical gremlins are widespread: instrument clusters go dead mid-drive (gauges drop to zero, warning lights fail), dashboard warning lights illuminate and fluctuate erratically, and lights/wipers cycle randomly independent of ignition. Some owners describe these as recurring even after chip replacement.
Cooling system issues include low idle with AC engaged near stalling, inoperative fans, and overheating after thermostat and fan replacement. One owner's engine oil fill cap blew out repeatedly while driving.
Engine power loss, hesitation, and rough acceleration appear tied to throttle control and fuel delivery anomalies. One incident involved unintended acceleration on a highway requiring full brake pressure and neutral shift to stop.
Same Chrysler PT Cruiser engine reports on nearby years: 2005 · 2007
Failure modes owners describe
Engine Stalling Without Warning
Engine shuts down unexpectedly while driving at any speed, often in intersections or high-traffic situations. No check-engine light typically appears. Multiple dealer visits fail to reproduce or diagnose the issue.
When: Starting around 25,000 miles for some; occurs sporadically for 1–2+ years afterward
Symptoms owners cite: Complete engine shutdown while driving; Restart may work after multiple attempts or fail entirely; No diagnostic codes generated; Lights and wipers may shut off or cycle randomly during episodes; Problem worse on hot days
Repairs/costs cited: Fuel pump, alternator, transmission, and timing belt replaced by various owners based on speculation with no lasting resolution. Some replaced relay switches; one owner reported success after relay replacement but root cause unclear.
Recalls/TSBs owners mention: Dealerships unable to reproduce problem; multiple visits yield no diagnosis or repair. Chrysler denied lemon law claims citing inability to reproduce. No TSBs or recalls issued for this symptom.
Crankshaft End Play and Main Seal Failure
Crankshaft exhibits excessive axial movement (end play), causing the main crank seal to be hammered out and fail repeatedly. Oil leaks heavily from the front of the engine. Multiple seal replacements do not resolve the issue.
When: As early as 4,000–10,000 miles; recurs multiple times over vehicle's service life
Symptoms owners cite: Heavy oil leaking from front of engine; Oil level drops 3 quarts undetected; oil warning light may come on repeatedly; Pools of oil under vehicle; No oil in engine upon inspection at dealership; Seal blown out or popped out after recent replacement
Repairs/costs cited: Crankshaft seal replacement repeated 2–3 times, costs $1,700+ per visit. Owners cited $787 parts kit plus $2,000 labor; some had engine block replaced ($4,000–$5,000). One owner had full engine replacement at 39,000 miles due to ruined block. Repairs include timing belt, cam seals, head gasket, water pump as 'while we're in there' items.
Recalls/TSBs owners mention: TSB issued by Chrysler (#10) identifying defect: engine block bore size incorrect, causing crankshaft to walk and crush seal. Block replacement recommended. Dealers aware of issue; one owner (#9) noted dealers offer repair kit but do not guarantee resolution. Warranty coverage denied after factory warranty expired. No formal recall issued.
Motor Mount Premature Failure
Motor mounts fail repeatedly, sometimes within months of replacement. One dealership noted it performs 20–30 such repairs weekly, indicating a design flaw. Causes severe vibration and shaking.
When: First failure typically before 60,000 miles; replacement fails again within months at different mount location
Symptoms owners cite: Violent shaking and rumbling noise during acceleration and normal driving; Vehicle vibrates severely when attempting to accelerate from a stop; Engine bucking during acceleration
Repairs/costs cited: Mount replacement costs $3,000 in one case. Owners report replacing same vehicle's mounts multiple times.
Recalls/TSBs owners mention: One dealership (CSR comment in #8) acknowledged design flaw and stated 20–30 repairs performed weekly at that location. No TSB or recall issued. No warranty extension offered.
Electrical System Malfunction—Instrument Cluster and Dashboard Lights
Instrument cluster fails mid-drive: gauges drop to zero, dashboard warning lights illuminate and flicker erratically, warning sounds beep constantly. Dashboard lights cycle on and off independently of ignition state.
When: Starting mid-2006 (one case November 2006) and recurring sporadically
Symptoms owners cite: All gauges go to zero (speedometer, tachometer, fuel gauge); Warning lights illuminate and remain on; Interior lighting fails; Warning beep sounds constantly; Lights and wipers cycle on/off randomly, not tied to car shutdown
Repairs/costs cited: Instrument cluster replaced in one case; problem persisted. One owner had chip replaced on engine control board; problem continued. Dashboard would not function (no gauges operational).
Recalls/TSBs owners mention: Dealership in #1 blamed bad instrument cluster and bad oxygen sensor; replaced both; problem persisted. No TSB or recall issued. Manufacturers have not acknowledged this as systemic.
Loss of Engine Power and Hesitation
Engine loses power or severely hesitates during acceleration and normal driving, often accompanied by power steering and brake loss. Can occur suddenly while driving at any speed.
When: Sporadic, lasting over 1+ years in some cases
Symptoms owners cite: Severe power loss during acceleration; Engine hesitation when starting or accelerating from stop; Power steering failure; Brake failure (requiring hand brake); Check engine light may or may not appear
Repairs/costs cited: Oxygen sensor replaced (#1) without lasting fix. Root cause not identified in many cases.
Recalls/TSBs owners mention: Dealership replaced oxygen sensor in #1; problem continued. Manufacturer stated nothing wrong with car because problem could not be reproduced.
Cooling Fan Malfunction—Low Idle with AC Engaged
When air conditioner is activated, engine idles low at stop signs, traffic lights, or stops, almost stalling before resuming normal operation. Warm or hot air blows through vents instead of cool air.
When: Occurs at lower mileages (47,000–77,000 miles reported)
Symptoms owners cite: Low idle when AC on and vehicle is stopped; Vehicle almost stalls at red lights or traffic; Warm or hot air from vents when AC activated; Two family members' same-model vehicles experienced identical failure
Repairs/costs cited: Dealers quoted $700 for fan module repair. Vehicles not repaired by owners.
Recalls/TSBs owners mention: No response; no recall or TSB issued.
Unintended Acceleration
Vehicle accelerates without driver pressing gas pedal. Full brake pressure cannot stop vehicle; driver must shift to neutral and shut off engine to stop.
When: Occurred while driving on 2-lane highway at unknown mileage
Symptoms owners cite: Vehicle accelerates on its own; Pressing gas pedal does nothing; Shifting from Drive to 3rd gear does not stop acceleration; Full brake pressure applied, still revving upward; Brakes smell of burning
Repairs/costs cited: No repair mentioned; vehicle shut off manually.
Recalls/TSBs owners mention: No response documented.
Throttle Control Failure
Electronic throttle control warning light illuminates with sudden loss of engine power. Throttle solenoid stuck in open position caused collision with another vehicle.
When: At 15,740 miles and during normal driving
Symptoms owners cite: Electronic throttle control warning light illuminates; Sudden loss of engine power; Throttle solenoid stuck open, causing uncontrolled acceleration/collision
Repairs/costs cited: Vehicle not diagnosed or repaired in #40. Collision occurred in #50.
Recalls/TSBs owners mention: Manufacturer made aware in #40; no resolution mentioned.
Timing Belt Failure
Timing belt breaks while driving, causing complete engine shutdown with audible snap sound. Engine cannot restart and requires towing.
When: At unknown mileage while driving at 25 mph
Symptoms owners cite: Loud snap sound from engine; Engine shuts off completely; Engine makes whirling sound when attempting restart; Vehicle requires towing
Repairs/costs cited: Timing belt replacement required; cost not stated.
Recalls/TSBs owners mention: No response documented.
Overheating—Persistent After Component Replacement
Vehicle overheats despite thermostat, radiator fan, and other cooling components being replaced. Problem known by Daimler Chrysler but no recall issued.
When: Multiple instances reported across different owners; one at 29,000 miles, another at 74,000 miles
Symptoms owners cite: Engine overheats without warning; Smoke from engine compartment; Fans inoperative; Coolant and oil droplets under vehicle; Persistent even after replacing thermostat, radiator, and fan
Repairs/costs cited: Thermostat, radiator fan, and other cooling system components replaced; problem persists.
Recalls/TSBs owners mention: No recall issued despite problem being known by manufacturer (#48).
Oil Pressure and Lubrication Anomalies
Oil warning indicator illuminates intermittently; oil fill cap blows out while driving; oil pressure reading abnormally high. Indicates systemic lubrication control issues.
When: Various mileages: 45 mph (cap blow), 74,000 miles (pressure indicator)
Symptoms owners cite: Oil warning light illuminates intermittently; Oil fill cap blows out while driving; Oil pressure reading abnormally high; Massive oil loss from blown cap
Repairs/costs cited: Front crankshaft replacement performed in #37. No other repairs documented.
Recalls/TSBs owners mention: Manufacturer not notified in #37. No recall or TSB issued.
Camshaft and Head Gasket Failure
Right exhaust camshaft failed; head gasket failed at low mileage. Camshaft failures on backlog, suggesting systemic issue.
When: One case at 26,000 miles (head gasket); camshaft failure timing not specified
Symptoms owners cite: Oil spill from engine block (head gasket failure); Right exhaust camshaft mechanical failure; Vehicle had to be towed (camshaft failure)
Repairs/costs cited: Head gasket repair quoted at $1,100 at 26,000 miles. Replacement camshaft on backlog due to high failure rate.
Recalls/TSBs owners mention: No TSB or recall issued. Camshaft parts on serious backlog indicating systemic nature (#49).
Cylinder Misfire and Power Loss
Engine misfires on specific cylinders, causing loss of acceleration power and check engine light.
When: At 60,000 miles
Symptoms owners cite: Check engine light illuminates; Misfire on cylinder 3 (diagnosed case); Loss of acceleration power
Codes mentioned: Cylinder 3 misfire
Repairs/costs cited: Diagnosed by private mechanic; vehicle not repaired.
Recalls/TSBs owners mention: No response documented.
Synthesized from 50 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 4 most recent
I purchased a 2006 pt cruiser touring edition in september of 2010, less then one month later the car began pouring out oil. Took to a mechanic who stated it was either the crank shaft or cam shaft seals. Called the dealership where car was purchased and they said they would make the repairs. The car was returned within a week with a new head gasket, cam shaft seal and crank shaft seal and…
Starting around nov of 2006 while driving at any speed, the instrument cluster indicator lights turn on; all the gauges go dead I.e. The speedometer, the tachometer, the gas gauge all go to zero. The warning sounds beep constantly. The 2006 pt cruiser will lose power and/or severely hesitates, power steering will fail, the brakes will fail, I have had to use the hand brake one to many times to…
Tl*the contact owns a 2006 Chrysler pt cruiser. The vehicle was parked when the contact noticed oil leaking from the engine. The vehicle was taken to an independent mechanic and the technician stated that the crank shaft was leaking. The vehicle was repaired but oil continued to leak. The vehicle was taken to an authorized dealer and the technician stated the engine needed to be removed in order…
I was driving home about 7pm doing about 25mpg when my car shut off,when it shut off it sounded like a quite snap,I tried to start it and it was making like a whirling sound so I stop trying to start it and towed it home and found out it was a broken timing belt. *tr
Had engine trouble with your 2006 Chrysler PT Cruiser?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2006 Chrysler PT Cruiser?
It's a meaningful issue. 50 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 43 complaints that reported odometer mileage, most engine failures cluster between 28,000 and 68,000 miles, with the median around 46,736. A quarter of owners report trouble before 28,000; a quarter make it past 68,000. 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.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2006/Chrysler/PT Cruiser.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.