Powertrain, generic · Fuel and air metering (injector circuit)

P0210 Cylinder 10 Injector A Circuit/Open

Check engine lightOn
EmissionsRelevant
Drive cycleNot required
Limp modePossible

P0210 reports an electrical fault, mainly an open circuit, in the injector circuit of cylinder 10. The engine module watches each injector output: GM flags an open circuit at an impedance of 200 kΩ or more – on direct injection and diesel engines in 10 of 20 or 5 of 10 samples and with the warning light in the first trip, on some port-injected engines only after two trips. Ford's port injection reads a fault bit from the driver chip that covers open, short to ground and short to voltage alike; Ford diesels report only the open circuit here and shorts as P0288/P0289. Cylinder 10 exists only on ten-cylinder engines; documented is Ford's 6.8 litre V10, whose check covers P0201 to P0210 with the warning light.

Likely causes

Connector at the cylinder 10 injector loose, corroded or with a broken or pushed-back pin
Injector coil open
Wire between module and injector open or chafed (heat, rodents)
Injector supply missing (fuse, relay) – then usually several cylinders at once
Driver stage in the engine module faulty

Symptoms

  • Check engine light on
  • Misfire and rough running, misfire code P0310
  • Loss of power, rough idle
  • Limp mode possible on diesel and direct injection

Repair estimate

DifficultyHardWorkshop job
Parts and labour€100–900
Time1–5 h

Typical range across vehicles; the real cost depends on what the testing finds.

Parts involved

fuel injector cylinder 10injector wiringengine control module

Related codes

P0288P0289P02F7P0310P0300P021D

References: law.cornell.edu, newtonnet.co.uk, roushcleantech.com.