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Check engine light · Engine codes

P0068: MAP/MAF - Throttle Position Correlation.

Powertrain · GenericP0068
Get it fixed soon
What it means

The air flow, manifold pressure and throttle readings don't agree with each other.

How serious

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.

Where a shop starts

Air leak after the throttle. Then: dirty throttle body; faulty MAF or MAP sensor.

Owners named P0068 in 11 complaints to the U.S. government, most often on the Chevrolet.

The details

What P0068 means

The air flow, manifold pressure and throttle readings don't agree with each other. The car may go into reduced power.

Can I drive with P0068?

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.

36% of the owner complaints that name P0068 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 P0068
  • Air leak after the throttle
  • Dirty throttle body
  • Faulty MAF or MAP sensor

A shop should confirm the cause with a scan and tests before replacing parts.

What owners describe
  • Stalls or shuts off: 36% of complaints
  • Loses power or goes into limp mode: 27% of complaints
  • Warning lights and electrical faults: 27% of complaints
  • Shakes, runs rough or misfires: 18% of complaints

Share of complaints naming the code whose text also mentions each problem.

Related codes

P0087 P0088 P0089 P008A P0090 P0091 P0037 P0031

Quick answers

What does P0068 mean?

MAP/MAF - Throttle Position Correlation. The air flow, manifold pressure and throttle readings don't agree with each other. The car may go into reduced power.

Can I drive with P0068?

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 P0068?

Air leak after the throttle; Dirty throttle body; Faulty MAF or MAP sensor.

Counts: NHTSA owner complaints whose text names P0068. 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.

Updated · Free to use with credit: Source: The Lemon Index (lemonindex.com). Get the data

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