Common problems – Mehran EFI
Problems that Mehran EFI owners in Pakistan report most, from owner threads on PakWheels Forums. Each one shows what owners found as the cause. Confirm with a mechanic before you replace parts.
FuelMissing and jerking at low speed, worse with A/C
Applies to: EFI
You notice: The engine misses or jerks at low speed and when pulling away, more with the A/C on
Usual cause: Owners traced it to a blocked fuel tank breather pipe, the charcoal canister, worn spark plugs or a weak fuel pump.
Fix: Check plugs and leads first, then the breather pipe and canister, then fuel pressure. Get a scan for stored codes.
◔ double-check fewer reports — confirm before replacing parts
EngineCheck engine light with rough running
Applies to: EFI
You notice: Check engine light on, rich running or low power (limp mode)
Usual cause: Sensor or wiring faults reported by owners.
Fix: Get the code read with a scanner at a Suzuki 3S dealer or a workshop, then check that sensor's wiring.
◔ double-check fewer reports — confirm before replacing parts
ElectricalSpeed sensor fault (code P0500)
Applies to: EFI
You notice: Check engine light with P0500; speedometer may not work
Usual cause: In the owner report the fault was the wire to the meter, not the sensor.
Fix: Check the speed sensor wiring to the meter before buying a sensor.
Codes: P0500
◔ double-check fewer reports — confirm before replacing parts
EngineEngine heating up
Applies to: All
You notice: Temperature needle goes towards H, mostly in traffic
Usual cause: Radiator fan not running, coolant leaks or a weak radiator cap.
Fix: Check the fan, look for leaks, replace a weak cap, and keep the coolant at the right level.
◔ double-check fewer reports — confirm before replacing parts
FuelFuel smell in the cabin with the A/C on
Applies to: EFI
You notice: Petrol smell inside when the A/C is running
Usual cause: Fuel tank cap seal, fuel lines, or the EVAP purge valve and charcoal canister.
Fix: Check the tank cap seal and fuel lines for leaks, then the purge valve and canister. Do not ignore a fuel smell.
◔ double-check fewer reports — confirm before replacing parts
GearboxGear lever jerks in 1st and reverse
Applies to: All
You notice: The gear lever jumps or jerks when pulling away in 1st or reverse
Usual cause: Clutch cable adjustment and a worn gear linkage (alignment kit) were reported.
Fix: Adjust or replace the clutch cable and fit a gear linkage alignment kit.
◔ double-check fewer reports — confirm before replacing parts