This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
full bulletin at NHTSA ↗2013 Chevrolet Sonic engine problems
severe 32 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
Failure mileage
Complaints
32
Recalls
0
Avg fix
$3,100
3fires
When does it fail?
Of the 32 engine complaints filed for the 2013 Chevrolet Sonic, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 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 7 model years of Chevrolet Sonic we track for engine problems, this one carries the most owner complaints on file — 32.
Owners have filed 32 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.
The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
full bulletin at NHTSA ↗This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oil in system.
full bulletin at NHTSA ↗This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oil in system.
full bulletin at NHTSA ↗This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners describe a 2013 Sonic with a pattern of chronic engine cooling and intake issues. Water pumps and thermostats fail multiple times—some owners replace thermostats three times or more, with failures recurring within months or years of repair. Coolant leaks come from radiators, thermostats, water pumps, and expansion tanks; several owners report emptying the entire coolant capacity within a single day of driving, sometimes without warning since the car lacks a temperature gauge.
Intake system problems plague the car from early mileage. A persistent P0171 lean-condition code appears after knock-sensor replacement and air-intake hose checks, yet private mechanics and dealers cannot definitively fix the issue. One owner found a cracked intake tube at 52,000 miles.
Engine stalling without dash warning occurs on freeways and city streets. One owner's engine caught fire in the engine bay at 134,000 miles after a coolant overheating episode.
Rough idle at stops and engine surging happen frequently, with dealers offering no permanent fix—one dealer recommended Tier 1 gasoline as the only workaround. AC compressors produce loud squealing within 2,000 miles, and some owners report replacing the entire AC system multiple times. A PCV pressure regulator failure caused over $1,000 in damage when it occurred at 125,000 miles, outside GM's 120,000-mile coverage window.
Same Chevrolet Sonic engine reports on nearby years: 2012 · 2014 · 2015
Failure modes owners describe
Engine fire/thermal runaway
Engine compartment fire originating after coolant overheating episode, resulting in total loss.
When: 134,000 miles
Symptoms owners cite: Engine overheating at low speed; Coolant temperature warning light illuminated; Engine compartment fire during tow
Repairs/costs cited: Vehicle deemed total loss by insurance
Engine stalling without warning
Engine shuts off completely while driving with no dash warnings or diagnostic codes. Vehicle reboots and restarts after 5-10 minutes.
When: Multiple occurrences; once on freeway, once on city streets, once near home
Symptoms owners cite: Sudden engine shutdown while driving; No check engine light or diagnostic codes; Vehicle restarts without jump after 5-10 minute delay; No way to duplicate problem at dealer
Recalls/TSBs owners mention: Claim submitted to GM with no resolution
Acceleration surge, jolting, and rough running at idle
Engine surges at stop lights without pedal input, jolts and jumps during acceleration, rough idle. Check engine light intermittent or persistent.
When: Started shortly after purchase; ongoing
Symptoms owners cite: Engine surging at idle; Jolting and jumping during acceleration; Rough running and sputtering at startup; Intermittent check engine light; Can occur morning startup, highway, city streets
Repairs/costs cited: Private garage unable to diagnose; EVAP purge control solenoid replacement recommended by dealer
Water pump failure with coolant leakage
Water pump fails causing coolant to leak from engine compartment, often recurring shortly after replacement. Leads to overheating and check engine light.
When: Multiple occurrences; second failure within one year of first repair at 85,000 miles; 24,397 miles
Symptoms owners cite: Fluid leaking from under hood; Burning odor from engine; Abnormal noise from engine; Check engine warning light; Engine overheating
Codes mentioned: P0597
Repairs/costs cited: Water pump replaced; failure recurred one year later
Recalls/TSBs owners mention: Technical Service Bulletin 14371B exists but vehicle not included; manufacturer notified and case opened
Thermostat housing and thermostat failure
Thermostat and thermostat housing fail repeatedly, leading to overheating and check engine lights. Plastic housing leaks coolant.
When: 24,000+ miles; replaced multiple times, failures recurring
Symptoms owners cite: Check engine light illumination; Engine overheating; Plastic thermostat housing leaking coolant; Coolant drainage in short timeframes
Codes mentioned: P0597
Repairs/costs cited: Thermostat replaced at 24,000 miles; replaced at least 3 times total
Recalls/TSBs owners mention: Manufacturer notified
Coolant system leaks and overpressurization
Recurrent coolant leaks from various components (radiator, water pump, thermostat housing, expansion tank, coolant piping). Entire coolant capacity lost multiple times. No temperature gauge to warn of overheating.
When: Within six months (twice); 69,500 miles; occurs without owner awareness
Symptoms owners cite: Coolant leaking from multiple points; Sudden coolant loss within same day; Check engine light; Overheating; Fluid leaking onto engine computer
Repairs/costs cited: Over $3,000 in repair costs across multiple cooling system components; radiator replacement at early mileage
Air intake system issues (intake hose tear, knock sensor, P0171 code)
Air intake system problems including cracked intake tubes, torn air ducts, and persistent P0171 lean condition code. Rough idle near stall. Owners report widespread issue with no clear solution.
When: 2,000 miles; 35,000 miles; 52,130 miles
Symptoms owners cite: Check engine light (P0171 code); Rough idle, engine wants to die; Cracked or torn air intake components; Loss of power during acceleration; Engine sounds different (like driving with air breather off)
Codes mentioned: P0171, PH171
Repairs/costs cited: Knock sensor replaced without resolving code; air intake hose inspected and appears new but code persists; intake tube cracked at 52,130 miles
Catalytic converter failure and unavailability
Catalytic converter fails and triggers check engine light. Replacement parts no longer manufactured for some model year vehicles.
When: 96,540 miles
Symptoms owners cite: Check engine light upon startup; Catalyst monitor entering too early, indicating below-threshold efficiency
Repairs/costs cited: Catalytic converter needs replacement; part no longer manufactured
Recalls/TSBs owners mention: Manufacturer notified; case number 9-5195608729; recall for catalytic converter mentioned in another complaint
EVAP purge control solenoid malfunction
EVAP purge control solenoid causes intermittent reduced engine power, surging, and rough running. Diagnosed after multiple dealer visits.
When: Intermittent since September 2016; 24,000 miles diagnosed
Symptoms owners cite: Intermittent reduced engine power; Engine surging; Check engine light (P0171); Engine nearly dying at stop lights
Repairs/costs cited: Diagnosed as EVAP purge control solenoid requiring replacement
Oil leakage and burning
Oil leaks from engine compartment (torn oil cap seal) and excessive burning of oil. Produces black smoke and toxic fumes.
When: 31,000 miles; shortly after purchase (new car)
Symptoms owners cite: Burning oil smell; Black smoke from engine with sparks from rear; Oil leaking from engine; Toxic fumes causing nausea and throat irritation
Repairs/costs cited: Oil cap seal torn; dealer attempted fixes but vehicle still reeked of fumes
Recalls/TSBs owners mention: Failure not covered under powertrain warranty; GM offered repurchase
PCV system failure
Positive crankcase ventilation pressure regulator valve fails, causing engine damage. GM warranty coverage limited to 120,000 miles.
When: 125,000 miles (after warranty cutoff)
Symptoms owners cite: PCV pressure regulator valve failure; Engine damage from PCV failure
Repairs/costs cited: Cost over $1,000 to repair
Recalls/TSBs owners mention: GM sent letter to customers covering work only up to 120,000 miles; refused to cover repair at 125,000 miles
Radiator failure
Radiator fails prematurely, often within first few years of ownership. Leaking at plastic-aluminum junction.
When: Early in vehicle life; 69,500 miles
Symptoms owners cite: Coolant leaking from radiator top; Engine coolant temperature warning light; AC stops blowing cold air; Radiator leaking where plastic and aluminum meet
Repairs/costs cited: Radiator replacement required
Rough idle and stalling at stops
Engine idles roughly when in Park or at stop signs/lights. Vehicle has stalled twice at stops. Poor fuel economy as result. Dealer states no fix available from GM, only workaround is Tier 1 gasoline.
When: 1.8L automatic transmission
Symptoms owners cite: Rough idle in Park; Rough idle at stop lights; Vehicle stalling at stop signs/lights (twice); Poor fuel economy
Recalls/TSBs owners mention: TSB exists; recommended solution is to use Tier 1 gasoline; dealer confirmed GM has no fix for problem
Engine vibration and rattling at idle
Engine produces rattling noise and vibration while stopped, sometimes quite loud. Can sound like coming from engine. Sporadic but concerning. Dealer unable to find cause.
When: 99,000 miles
Symptoms owners cite: Rattling noise at idle when stopped; Engine vibration at idle; Vehicle almost stalls; Noise is sporadic
AC system compressor and refrigerant failure
AC system compressor squeals loudly and intermittently. Some owners report replacing entire AC system multiple times (up to 5 times reported). Squealing occurs within 2,000 miles on new vehicle.
When: 2,000 miles; 1 year after purchase
Symptoms owners cite: Horrible squealing noise from AC every 30 seconds when running; AC stops blowing cold air; Squealing continues despite multiple dealer visits
Repairs/costs cited: Owner taken to dealer 8 times; dealer states noise is normal
Catalyst monitor programming failure
Catalyst monitor enters too early before proper vehicle warm-up, falsely indicating catalyst is below efficiency threshold. Testing by certified technician confirms catalyst operates within parameters. Indicates programming rather than component failure.
When: During normal operation
Symptoms owners cite: Check engine light for catalyst efficiency; Monitor fails prematurely
Repairs/costs cited: Catalyst tested by temperature sensor and gas analyzer; all tests show catalyst within operating parameters
Synthesized from 32 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 2 most recent
Air intake system. Not long after we bought the car the check engine light came on reading a code ph171. We were told it was a knock sensor which we replaced and it didn't fix the problem, after we were told it was the air intake hose, checked it and it looks like it's a new hose no issues with it. Now we are trying everything we can to figure out the problem. We check online forums and found…
The pcv pressure reg valve fails and causes damage to the engine. Gm sent a letter to customers but only covers the work up to 120k miles. Mine failed at 125k miles and cost over $1000 to fix. Gm is refusing to pay for the repairs.10/15/2020
Had engine trouble with your 2013 Chevrolet Sonic?
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 2013 Chevrolet Sonic?
It's a meaningful issue. 32 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 25 complaints that reported odometer mileage, most engine failures cluster between 31,000 and 99,000 miles, with the median around 74,000. A quarter of owners report trouble before 31,000; a quarter make it past 99,000. 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/2013/Chevrolet/Sonic.
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.