P0336 on Pontiac
Crankshaft Position Sensor 'A' Circuit Range/Performance
P0336 on Pontiac vehicles indicates crankshaft position sensor 'a' circuit range/performance. Au7o has documented this code across 1 Pontiac model — most commonly on Bonneville. P0336 means the engine control module detected a crankshaft position sensor signal that is present but outside the expected range or pattern — for example, intermittent dropouts, an erratic waveform, or extra/missing pulses. The crankshaft position sensor tells the computer the exact position and speed of the crankshaft, which is essential for timing fuel injection and ignition. When this signal is unreliable, the engine may stumble, stall, hesitate, or be hard to start. Because it underpins basic engine operation, this code should be addressed promptly. Typical repair costs on Pontiac range from $150 to $500, depending on the specific model and root cause.
Common Causes of P0336
- •Failing crankshaft position sensor
- •Damaged or contaminated reluctor/tone ring (debris, missing teeth)
- •Wiring damage, chafing, or corroded connectors
- •Incorrect air gap or loose sensor mounting
- •Electrical interference from nearby high-voltage components
- •Metal shavings on the sensor tip
- •ECM/PCM fault (less common)
P0336 on Pontiac by Model
Pontiac Bonneville(1 issue)
- Crankshaft Position Sensor / Ignition Control Module Failure Causing Stalling and No-Start1992-2005
Failing crankshaft position sensors and ignition control modules are among the most common causes of intermittent stalling and no-spark no-start conditions on 3800-powered Bonnevilles, documented by RepairPal as a known model problem. The CKP sensor's hall-effect elements degrade with heat, causing the engine to randomly die while driving — often with no trouble code — and frequently restart only after cooling down. The ICM, which needs both 18X and 3X/sync crank signals to fire the coils, exhibits the same heat-related intermittent failure.
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What does P0336 mean on Pontiac?▼
P0336 stands for "Crankshaft Position Sensor 'A' Circuit Range/Performance." P0336 means the engine control module detected a crankshaft position sensor signal that is present but outside the expected range or pattern — for example, intermittent dropouts, an erratic waveform, or extra/missing pulses. The crankshaft position sensor tells the computer the exact position and speed of the crankshaft, which is essential for timing fuel injection and ignition. When this signal is unreliable, the engine may stumble, stall, hesitate, or be hard to start. Because it underpins basic engine operation, this code should be addressed promptly. On Pontiac specifically, this code is documented across 1 model.
What causes P0336 on Pontiac vehicles?▼
Common causes on Pontiac: Failing crankshaft position sensor, Damaged or contaminated reluctor/tone ring (debris, missing teeth), Wiring damage, chafing, or corroded connectors, Incorrect air gap or loose sensor mounting, Electrical interference from nearby high-voltage components. Specific causes vary by model and year — see the per-model sections below.
How much does it cost to fix P0336 on a Pontiac?▼
Repair costs on Pontiac range from $150 to $500, depending on the specific model and root cause.
Which Pontiac models have P0336 documented?▼
Au7o has documented P0336 on 1 Pontiac model: Bonneville.