Is it safe to drive with a P0175 code?

Severity is medium. Address P0175 sooner rather than later — driving with an active check engine light can worsen the problem or void emissions warranties.

How much does it cost to fix P0175?

Repair costs for P0175 typically range from $20 to $700 in the US, depending on the underlying cause. The most common fix is: Leaking fuel injector(s).

What are the symptoms of P0175?

CEL. Black smoke under load. Fuel smell. Fouled spark plugs. Bad fuel economy.

Check Engine Code

P0175

System Too Rich (Bank 2)

Severity: medium DIY difficulty: 2/5 Typical cost: $20–$700

Last updated April 30, 2026

What P0175 means

Bank 2 twin of P0172. ECM is pulling fuel to compensate for a rich condition.

Vehicle-specific P0175 guides

P0175 can mean different things on different vehicles. Pick your make for engine-family specifics:

P0175 on Ford →

Symptoms

CEL
Black smoke under load
Fuel smell
Fouled spark plugs
Bad fuel economy

Likely causes (most common first)

Leaking fuel injector(s)
Failed fuel pressure regulator
Saturated EVAP canister
Contaminated MAF
Failed O2 sensor stuck rich

Can I keep driving?

Medium — drivable but fix soon

Typical repair cost

DIY fixes can start near $20 (parts only). Shop repairs for P0175 typically run up to $700 depending on the underlying cause and vehicle. Start with the most common cause — Leaking fuel injector(s) — before throwing parts at it.