ignition coils has failed due to spark plug large gap

adrian22 · Post by **adrian22** » 06 Mar 2018, 14:26

is it possible one or more of the ignition coils to fail (Check Engine Light code Po302)due to too high voltage to spark plug---could indicate excessive spark plug gap.
The old spark plugs gap was 052----- I think should be around 030-all wires ok
I the faulty coil and all the spark plugs and fixed problem
xc 70 2005 118k miles

Post by **cn90** » 06 Mar 2018, 20:38

No,

Coils fail b/c of internal short (the insulation of the copper windings fails), especially with heat. Get used coils on ebay for cheap.

Post by **RickHaleParker** » 06 Mar 2018, 21:19

Yes, excess gap is one of the more common root causes for coil failure.

Excessive gap can cause an ignition coil to overheat. More of the energy from the collapsing electromagnetic field gets converted to heat rather then discharged as electrical energy.

Post by **abscate** » 07 Mar 2018, 05:28

I would guess your plugs failed with Wear and your coil failed on time. Your four other coils are probably arguing with the Grim Reaper, too. At very least carry a good spare ( shameless plug

but if it’s a daily driver do the other four next payday,

Ive got some cheap spares in the parts for sale Forum as do others, or Pnp.

Georgeandkira · Post by **Georgeandkira** » 07 Mar 2018, 05:54

A shameless plug for a coil.......

Gotta conclude the unadjustable "tri-tode" sparky-poos in non-turbos, when replaced on schedule, eliminate that failure point.

Post by **abscate** » 07 Mar 2018, 06:27

If you ever start liking my humor, see your therapist, quickly.

Man went to a doctor, gave him six months to live, couldnt pay his bill...

Post by **jonesg** » 07 Mar 2018, 09:57

abscate wrote: 07 Mar 2018, 06:27 If you ever start liking my humor, see your therapist, quickly.

Man went to a doctor, gave him six months to live, couldnt pay his bill...

Gave him 6 more?

A baby seal walked into a club..

Post by **abscate** » 07 Mar 2018, 13:21

I though that one was

A baby seal walks into a bar

what will you have?

anything but Canadian Club