What causes Fuel injection throttle body calibration issues on the QJ Motor SRV600V?

Rough idle, hesitation on acceleration, error codes Estimated fix cost: $50-$150

What causes Shaft drive oil seal leaks over time on the QJ Motor SRV600V?

Oil residue around rear drive shaft housing Estimated fix cost: $80-$200

Clunking over bumps, loose rear suspension feel Estimated fix cost: $100-$250

Dashboard warning lights, instrument cluster flickering Estimated fix cost: $20-$80

Known issues to inspect before buying a used QJ Motor SRV600V. What to check and how much repairs cost.

MODERATE

Rough idle, hesitation on acceleration, error codes

Fix cost: $50-$150

MODERATE

Oil residue around rear drive shaft housing

Fix cost: $80-$200

MINOR

Dashboard warning lights, instrument cluster flickering

Fix cost: $20-$80

MODERATE

Clunking over bumps, loose rear suspension feel

Fix cost: $100-$250

☐Check shaft drive for oil seepage

☐Test ride for smooth throttle response

☐Inspect all electrical connectors for corrosion

☐Bounce rear suspension checking for play

Decent budget ADV, monitor drivetrain and electrics