07 Kia Spectra Code P2626, P2097, P2271, P0171

Question edited for clarity.
Question moved to model category.

It depends on the plug that you use. Some are Pre-Gapped.

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2004 KIA SPECTRA 1.8L L4 Spark Plug

RockAuto https://www.rockauto.com > catalog > kia,2004,spectra,1...
GM Original Equipment; Conventional; Pre-Set Gap: 0.041" ($0.50 Rebate Available!).

2004 KIA SPECTRA 2.0L L4 Spark Plug

RockAuto https://www.rockauto.com > catalog > kia,2004,spectra,2...
Original Center Electrode Material is Copper/Nickel; Do Not Gap, Gap is Preset. OE Fine Wire Platinum; Pre-Set Gap: 0.031". Alternate.

is the gas cap on good check the seal

P2626 O2 Sensor Pumping Current Trim Circuit/Open
P0171 System too Lean (Bank 1)
P0170 Fuel Trim Malfunction - Bank 1.

Try changing the fuel filter first. Then you will have to clear the code with a jumper.

Check here:
http://www.troublecodes.net/Kia/

P2097 Post Catalyst Fuel Trim System Too Rich
P2196 O2 Sensor Signal Stuck Rich
P2626 O2 Sensor Pumping Current Trim Circuit/Open
yeah, you really have a bad O2 sensor
_________________careucar.com

Replace o2 sensor bank 1 and maybe charcoal canister

P2626 (O2 sensor)

my car engine light is on and the problem code p2626

I have a 2005 Kia Spectra. The check engine light has been on and i got it checked. What does engine codes P0030 and P2237 mean?

P2237 P2196 P2271 P0030 P0171

These are all O2 sensor trouble codes, except P0171 which is a fuel trim code,

You have a bad 02 sensor - up stream - Bank 1 Sensor 1.

Replace it, then road test. The engine computer has a 'default' fuel trim it uses when an O2 sensor fails so it can protect the catalytic converter. If this hasn't been going on too long, good chance simply replacing the O2 sensor will remedy your problem.

I'm about 99% sure this has to do with a faulty O2 sensor. This sensor is usually located around the header of your car, or down more on your exhaust. Try disconnecting your battery for 30 mins, hook it back up, and start your car again. This will erase the error. See if it comes in again.

"P2626 O2 Sensor Pumping Current Trim Circuit/Open (Bank 1 Sensor 1)"