P052E on Honda
Positive Crankcase Ventilation Regulator Valve Performance
P052E on Honda vehicles indicates positive crankcase ventilation regulator valve performance. Au7o has documented this code across 2 Honda models — most commonly on Fit, S2000. P052E indicates a performance problem with the positive crankcase ventilation (PCV) regulator valve, the valve that meters blow-by gases from the engine crankcase back into the intake to be burned. The computer monitors crankcase pressure or related readings, and when the PCV regulator isn't controlling flow within the expected range, it sets this code. Symptoms can include rough idle, oil leaks from seals due to pressure imbalance, whistling/sucking noises, or increased oil consumption. It points to the PCV valve or ventilation system rather than the fuel or ignition system. Typical repair costs on Honda range from $50 to $4,000, depending on the specific model and root cause.
Common Causes of P052E
- •Stuck, clogged, or failed PCV regulator valve
- •Cracked or disconnected PCV hose/line
- •Vacuum leak in the crankcase ventilation system
- •Clogged PCV passages from sludge or carbon
- •Faulty crankcase pressure sensor
- •Damaged valve cover with integrated PCV (where applicable)
- •Wiring or connector fault on electrically controlled PCV valves
P052E on Honda by Model
Honda Fit(1 issue)
- Engine Excessive Oil Consumption2007-2020
L15A (2007-2014) and L15B (2015-2020) engines prone to excessive oil consumption. Normal consumption approximately 1 quart per 1,000 miles, but some units burn significantly more. Honda acknowledged issue and extended warranty coverage for affected vehicles. PCV valve clogging and worn valve guide seals are common causes. Oil monitoring is MANDATORY - check every 500-1,000 miles. Some owners report consumption stabilizes after 50,000 miles.
Honda S2000(1 issue)
- VTEC Oil Consumption and Burning2000-2009
High-revving F20C and F22C engines consume oil at higher rates than typical engines, especially in VTEC mode. Normal consumption is approximately 1 quart per 1,000 miles, but excessive consumption (more than 1qt/1000mi) indicates PCV valve clogging, worn valve guide seals, or cylinder wall scoring. Running oil levels 2+ quarts low prevents VTEC engagement. AP1 (2000-2003) more severe than AP2 (2004-2009). Many owners avoid Mobil 1 due to higher burn-off rates.
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View P052E across all makes →Frequently Asked Questions
What does P052E mean on Honda?▼
P052E stands for "Positive Crankcase Ventilation Regulator Valve Performance." P052E indicates a performance problem with the positive crankcase ventilation (PCV) regulator valve, the valve that meters blow-by gases from the engine crankcase back into the intake to be burned. The computer monitors crankcase pressure or related readings, and when the PCV regulator isn't controlling flow within the expected range, it sets this code. Symptoms can include rough idle, oil leaks from seals due to pressure imbalance, whistling/sucking noises, or increased oil consumption. It points to the PCV valve or ventilation system rather than the fuel or ignition system. On Honda specifically, this code is documented across 2 models.
What causes P052E on Honda vehicles?▼
Common causes on Honda: Stuck, clogged, or failed PCV regulator valve, Cracked or disconnected PCV hose/line, Vacuum leak in the crankcase ventilation system, Clogged PCV passages from sludge or carbon, Faulty crankcase pressure sensor. Specific causes vary by model and year — see the per-model sections below.
How much does it cost to fix P052E on a Honda?▼
Repair costs on Honda range from $50 to $4,000, depending on the specific model and root cause.
Which Honda models have P052E documented?▼
Au7o has documented P052E on 2 Honda models: Fit, S2000.