The Lemon IndexThe computer had to adjust fuel on bank 1 beyond its normal range.
Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.
Vacuum leak. Then: fuel delivery problem; faulty MAF or O2 sensor.
Owners named P0170 in 5 complaints to the U.S. government, most often on the Kia.
The details
What P0170 means
The computer had to adjust fuel on bank 1 beyond its normal range.
Can I drive with P0170?
Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.
40% of the owner complaints that name P0170 also say the car stalls or shuts off. A complaint can describe more than one problem, so this doesn't prove the code caused it.
Common causes of P0170
- Vacuum leak
- Fuel delivery problem
- Faulty MAF or O2 sensor
A shop should confirm the cause with a scan and tests before replacing parts.
What owners describe
- Stalls or shuts off: 40% of complaints
- Shakes, runs rough or misfires: 40% of complaints
- Brakes or ABS act up: 40% of complaints
Share of complaints naming the code whose text also mentions each problem.
Related codes
P0171 P0172 P0174 P0175 P0190 P0191 P0192 P0193
Quick answers
What does P0170 mean?
Fuel Trim (Bank 1). The computer had to adjust fuel on bank 1 beyond its normal range.
Can I drive with P0170?
Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.
What causes P0170?
Vacuum leak; Fuel delivery problem; Faulty MAF or O2 sensor.
Counts: NHTSA owner complaints whose text names P0170. A complaint is an owner's report, not a diagnosis. Meanings: the standard SAE J2012 definitions in our own words; manufacturer codes only where verified for that make. General information, not repair advice for your car.