The Lemon IndexThe turbo is making more boost than it should, so the computer may cut power.
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.
Stuck wastegate. Then: faulty boost control solenoid; faulty boost sensor.
Owners named P0234 in 19 complaints to the U.S. government, most often on the Ford Escape.
Cars owners report it on
Complaints that name P0234, by model. Raw counts, not a failure rate: popular models get more complaints.
Years owners report it on most: 2013 Ford Escape · 2014 Ford Escape
The details
What P0234 means
The turbo is making more boost than it should, so the computer may cut power.
Can I drive with P0234?
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.
21% of the owner complaints that name P0234 also say the car loses power or goes into limp mode. A complaint can describe more than one problem, so this doesn't prove the code caused it.
Common causes of P0234
- Stuck wastegate
- Faulty boost control solenoid
- Faulty boost sensor
A shop should confirm the cause with a scan and tests before replacing parts.
What owners describe
- Loses power or goes into limp mode: 21% of complaints
- Stalls or shuts off: 16% of complaints
Share of complaints naming the code whose text also mentions each problem.
Model years that report P0234 most
2013 Ford Escape (6), 2014 Ford Escape (2).
Related codes
P0236 P0222 P0221 P0219 P0218 P0217 P0204 P0203
Quick answers
What does P0234 mean?
Turbocharger/Supercharger A Overboost Condition. The turbo is making more boost than it should, so the computer may cut power.
Can I drive with P0234?
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 P0234?
Stuck wastegate; Faulty boost control solenoid; Faulty boost sensor.
Counts: NHTSA owner complaints whose text names P0234. 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.