2011 Odyssey sudden P0302, P0118 and many more

[Gasbuggy]

2011 Odyssey threw a bunch of codes on startup. P0302, P0118, No DTC Definition Found. ABS Pump Motor Relay Short Circuit and Malfunction on the right front wheel speed sensor.

This is my girlfriend's Odyssey. Rarely do I have the joy of chasing down an issue like this.

CEL and Traction Control light showed the day after a one day beach trip. She pays attention and I trust I have facts not a girl version. Saturday she drives to the beach and back. Claims that around 80mph it felt slightly down on power but she could be wrong. The Odyssey had 6 people in it.

Sunday, on start up the CEL and traction control light are lit. TPMS is on too but that's always on.

Van has 138 k on it. 20ish k a go it had new plugs and a coil pack replaced by a not great shop.

My initial guess was that the misfire was going to be on the cylinder that had the aftermarket coil plug and that proved to be correct. Though the van ran smooth when I looked at it first.

Cylinder 2 had a no name coil on it. It did have the correct NGK iridium plug pictured, fouled. VCM...


Quick and dirty, I cleaned this Iridium plug with a soft brass brush and put it on cylinder 5. Put nice cyl 5 plug on 2. I was able to get a OEM Hitachi coil pack delivered the next morning and put it on cylinder 2.

Disconnected the battery and gave it a real charge. Battery is healthy.

She swears she didn't run over anything or drive through water the day before.

Is it possible a failing coil pack was somehow drawing such a significant amount of voltage that it would interfere with the other sensors? When I removed the bad coil pack after the van ran for me from cold for just a minute or less, it was burning hot. The coil pack off cylinder 5 I pulled was only barley warm.

As of right now it's on maybe it's third trip of the day with no returning lights. I'll check for pending codes tonight or tomorrow.

 

[tcp71]

coils = OEM every time.

 

[Oliveoil2]

Check all the coil packs. You’ll also might have gotten some counterfeit plugs.

 

[JeffKeryk]

I got a set of fake '15 Oddy NGKs from Ebay or was it Amazon? Let's just say I learned my lesson.

 

[Gasbuggy]

Check all the coil packs. You’ll also might have gotten some counterfeit plugs.

I will. I ordered 2 more OEM coil packs to swap the rear bank out. Not sure if the remaining two are original but they live in a hotter space and on failed already. The front Bank is still all OEM Hitachi. I'll put plugs in it but I believe they're real NGK.

I'm in that position of the relationship where I'm definitely going to fix this instead of saying not my car...but she insists on paying for parts and has a budget.

A good VCM muzzler is going on this car though one way or another.

 

[Nukeman7]

Bad coils and/or plugs causing misfires can cause the Honda to go into limp mode where the Traction Control System and Vehicle Stability Assist are temporarily disabled. The OEM Hitachi coils are reasonable on Rockauto, especially when combined with a 5% discount code.

 

[Exhaustgases]

Where all the 100K mile maintenance items completed, at around 100K?
When is the timing belt done on those? Has that been done? Valve set?
One search P0118 coolant sensor, important item.

 

[Gasbuggy]

Where all the 100K mile maintenance items completed, at around 100K?
When is the timing belt done on those? Has that been done? Valve set?
One search P0118 coolant sensor, important item.

No. A local mechanic she was on a first name basis with worked on it for the last 90,000 miles. Place used to be a machine shop and repair shop. Anything she was told it needed it got. She keeps invoices, they hit her for tune ups, suspension work and rotor cut brake jobs, 5k oil changes (only good thing).

Shop must be lazy or stupid. First time I was in it, right front wheel bearing was screaming. Worse than any driven before and I've had some ghetto jets over the years. It had just been in for state inspection (wheel pulling job in PA) and she asked if they could figure out what the noise was.

Items like timing belt, transmission fluid, valves weren't brought up to her.

Aisin timing belt kit went on about four months ago. Had to her take it to a mechanic I know who does side work.