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Check engine light · Engine codes

P0351: Ignition Coil A Primary/Secondary Circuit.

Powertrain · GenericP0351
Get it fixed soon
What it means

The computer sees an electrical fault in ignition coil A (usually the coil for cylinder 1).

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

Failed ignition coil. Then: damaged coil wiring or connector; worn spark plug overloading the coil.

Owners named P0351 in 15 complaints to the U.S. government, most often on the Ford Escape.

Cars owners report it on

Complaints that name P0351, by model. Raw counts, not a failure rate: popular models get more complaints.

Years owners report it on most: 2005 Ford Escape

The details

What P0351 means

The computer sees an electrical fault in ignition coil A (usually the coil for cylinder 1). That cylinder may misfire. If the check engine light flashes, ease off and get it checked right away.

Can I drive with P0351?

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.

60% of the owner complaints that name P0351 also say the car shakes, runs rough or misfires. A complaint can describe more than one problem, so this doesn't prove the code caused it.

Common causes of P0351
  • Failed ignition coil
  • Damaged coil wiring or connector
  • Worn spark plug overloading the coil

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

What owners describe
  • Shakes, runs rough or misfires: 60% of complaints
  • Stalls or shuts off: 53% of complaints
  • Warning lights and electrical faults: 20% of complaints
  • Loses power or goes into limp mode: 20% of complaints

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

Model years that report P0351 most

2005 Ford Escape (6).

Related codes

P0352 P0353 P0354 P0355 P0356 P0345 P0344 P0341

Quick answers

What does P0351 mean?

Ignition Coil A Primary/Secondary Circuit. The computer sees an electrical fault in ignition coil A (usually the coil for cylinder 1). That cylinder may misfire. If the check engine light flashes, ease off and get it checked right away.

Can I drive with P0351?

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 P0351?

Failed ignition coil; Damaged coil wiring or connector; Worn spark plug overloading the coil.

Counts: NHTSA owner complaints whose text names P0351. 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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