P0273
Cylinder 5 Injector Circuit Low
DTC P0273, sometimes indicated as P027300 is an OBD diagnostic trouble code indicating a generic fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the air/fuel mixture causing cylinder 5 injector circuit low.
One potential cause of this DTC is a low-voltage condition in the injector circuit for cylinder 5. This could be due to a faulty injector, a wiring issue, or a problem with the engine's electrical system.
- P0273: Cylinder 5 Injector Circuit Low
- P0273: Cylinder 5 Injector Control Circuit Low
- P0273: Injector 5 – circuit low
- P0273 00: Cylinder 4 injector - open or short to ground
- P0273 00: Injector 5 - circuit low
2005 KIA SPORTAGE with 41000.0 miles
During all of the 5 incidents in 2009 the engine misfired violently. At times 35mph was max speed. Cronin Kia had my vehicle over 30 days in 5 visits in 2009. They have replaced; two cat. Converters, the ignition coil pack and spark plugs, a leaking fuel injector and associated wiring. Please note the error codes for visits 1 and 5 (3/17/09 and 7/14/09); P0300-P0303-P0305-P0273. Visit number1 also had codes; P0420-P0430 and P0170. The duplicate codes indicate the problem affects "bank 1 only. Code P0170 spells out the problem; "fuel trim malfunction-bank 1".The destroyed catalytic converters were the result of the fuel trim problem. The same for the leaking fuel injector. I believe it is only a matter of time before the other bank 1 injectors fail. The fuel trim must be a function of the vehicle's computer. I believe the "bank 1 fuel trim malfunction" and/or the electronic stabilization program (esp) and/or the vehicle's computer are the source of this dangerous problem. There is a recall on the esp; sc-044 - march, 2005. "the esp system may cause the engine to reduce power and may cause a braking action at one of the wheels". "brake application caused by inadvertent esp activation may result in loss of control and a crash".The front brake pads on my vehicle were worn out at 41,000 miles. I asked Kia customer service in an initial letter if this was premature. Of course, i received no answer. After the number 5 incident(july, 2009) the engine would stall even after a leaking fuel injector and associated wiring were replaced. It stalled less than a mile from cronin and three times the next day. During the number 5 incident the esp shut itself off; "esp off" appeared in the instrument panel. I passed this information to jeff wyler Kia service department. This was ignored. The final (number 6) attempt to repair the problem consisted of a joy ride after which they declared; "all operations are normal" they consider this problem amusing. They refused to contact Kia!
ELECTRONIC STABILITY CONTROL, ENGINE AND ENGINE COOLING