Checker Town B1805 Engine Trouble Code
What is Checker Town B1805?
With Checker Town B1805, you may drive for several weeks with a malfunctioning MAF sensor, but expect decreased fuel economy and eventual stalling. Shop replacement costs $240–$400 depending on vehicle. The labour is straightforward, with most cost from the part itself.
B1805 on the Checker Town
The turbocharged variants of the Checker Town are more likely to generate B1805 as boost-related over-fuelling trips the ECU threshold. Inspect the intercooler hoses for micro-cracks that allow unmetered air into the intake stream.
Code Information
| Code Type: | OBD-II Body (B) Trouble Code |
| System: | Body |
| Vehicle: | Checker Town |
| Brand: | Checker |
| Model: | Town |
| Code: | B1805 |
B1805 Checker Town Symptoms
Check Engine Light
Illuminated Checker Town dashboard warning
Engine Stalling
Engine stops unexpectedly or misfires
Performance Issues
Reduced power or acceleration on the Checker Town
Starting Problems
Difficulty starting the engine
Poor Fuel Economy
Increased fuel consumption on the Checker Town
Increased Emissions
Failed emissions test due to B1805
B1805 Code Structure
Understanding what each digit means in the B1805 body trouble code:
| B | 1 | 8 | 0 | 5 |
|---|---|---|---|---|
| Body Code | Fuel And Air Metering | Engine Oil Temperature Sensor Malfunction | Cold Start Injector 1 Malfunction | Crankshaft Position Sensor B Circuit Malfunction |
How to Fix Checker Town B1805
Diagnostic Steps:
Poor running symptoms align with MAP sensor malfunction. In some cases, a faulty MAP sensor will not trigger a code. The issue may represent separate wiring concerns requiring individual diagnosis.
Repair Solution:
VSS concerns may stem from noisy input signals caused by RFI/EMI from ignition wires, charging circuits, or aftermarket equipment. Verify VSS reads 0 mph when transmission is in Park.
Technical Notes:
B1805 DTC specifically relates to camshaft timing. When cam timing is over-retarded, the check-engine light illuminates and this code sets. Verify VCT solenoid operation and check for contamination.
Checker Town B1805 Repair Cost
Throttle body cleaning and idle relearn on the Checker Town for a B1805 diagnosis costs $60–$100 at an independent shop. If a full throttle body replacement is needed (rare), expect $250–$450 including programming the unit to the ECU.
B1805 Description
B1805 engine trouble code is related to Crankshaft Position Sensor B Circuit Malfunction.
Main Cause
The primary reason for B1805 OBD-II Engine Trouble Code is: Engine Oil Temperature Sensor Malfunction.
Common B1805 Misdiagnosis on the Checker Town
When Checker Town presents B1805 with a concurrent coolant temperature DTC, technicians sometimes replace the thermostat rather than the coolant temperature sensor (CTS). The CTS is a $15–$25 component; the thermostat job carries 1–2 hours of additional labour.
DIY Repair Guide: B1805 on Checker Town
Replacing the spark plugs on the Checker Town is rated a difficulty 2/5 for home mechanics. The top-mounted plug access on this engine requires a 3/8" extension and a 14mm spark plug socket. Always torque to the manufacturer's specification to avoid cracking the cylinder head.
Preventing B1805 on the Checker Town
For diesel Checker Town owners, a DPF (Diesel Particulate Filter) regeneration run on the motorway every 500 miles prevents soot blockage that back-pressures the exhaust and forces B1805 flags via the pressure differential sensors.
Frequently Asked Questions — Checker Town B1805
A: If your Checker Town is within the factory powertrain warranty period (typically 3–5 years or 60,000–100,000 miles depending on region and generation), B1805 repairs caused by component defects should be covered. Bring your service history to the dealer appointment.