Nissan Skyline: RB26DETT Ignition Coilpack Failure (GT-R)
RB26DETT Ignition Coilpack Failure (GT-R) is a common electrical fault on the Nissan Skyline on the 1998–2002 cars, and we rate it major. Putting it right costs $500 to $1,400 at New Zealand independent workshop rates. Below is what goes wrong, the symptoms to notice on a test drive, where to look, and what to ask the seller before you hand over any money. It is one of 41 documented faults on the Nissan Skyline.
- Vehicle
- Nissan Skyline
- Engine
- RB26-DETT
- Years
- 1998–2002
- Fuel
- petrol
- System
- Electrical
What you are looking at
No photograph available
What goes wrong
The R34 GT-R RB26DETT uses six individual coilpacks sitting directly on the spark plugs in a coil-on-plug configuration. The coilpacks are heat-sensitive and degrade with age, causing misfires under boost and at high RPM. Modified R34 GT-Rs running elevated power output dramatically accelerate coilpack failure due to higher cylinder pressures. The factory coilpacks are no longer available from Nissan Japan and are a known consumable on any late-model RB26 engine. Coilpack failure under boost causes severe misfires that can hydrolock a cylinder if unburnt fuel washes past the rings.
What you would notice
- Misfires under load or at high RPM
- Check Engine Light with cylinder-specific misfire codes (P0301–P0306)
- Rough running that clears at idle but returns under boost
- Popping or banging from exhaust under acceleration
- Stutter or flat spot in specific RPM band
How to check it
Where to look. Six individual coilpacks seated directly on the spark plugs through the cam cover, three per bank
Pull each coilpack and inspect the base boot for cracking or carbon tracking (black marks indicating arcing).
Swap suspect coilpacks between cylinders to see if the misfire follows the coilpack.
Check spark plug condition under each coilpack — black, oil-fouled, or eroded plugs indicate a long-standing misfire.
Scan for cylinder-specific misfire codes.
What it costs to put right
$500 to $1,400 at New Zealand independent workshop rates. That is for this job on its own, not for the car.
Ask the seller
- “Have the coilpacks been replaced, and when?”
- “Are there any misfire codes stored in the ECU?”
- “What power level is the engine running, and have coilpacks been upgraded accordingly?”
Now check the Nissan Skyline you are actually looking at
Everything above is true of the model, and it is free. What it does not tell you is whether THIS car has been looked after: its odometer history and whether the reading has ever gone backwards, whether there is still money owing on it, whether it has been reported stolen, how many owners it has had and what it is really worth today. That comes from the official records for that plate. Enter the plate for the free details, or get the full history and a market valuation from $13.49.
Where this comes from
Nissan Skyline buyer questions
Is rb26dett ignition coilpack failure (gt-r) serious on a Nissan Skyline?
We rate it major and common on the Nissan Skyline. The R34 GT-R RB26DETT uses six individual coilpacks sitting directly on the spark plugs in a coil-on-plug configuration. The coilpacks are heat-sensitive and degrade with age, causing misfires under boost and at high RPM. Modified R34 GT-Rs running elevated power output dramatically accelerate coilpack failure due to higher cylinder pressures. The factory coilpacks are no longer available from Nissan Japan and are a known consumable on any late-model RB26 engine. Coilpack failure under boost causes severe misfires that can hydrolock a cylinder if unburnt fuel washes past the rings.
How much does it cost to fix on a Nissan Skyline?
$500 to $1,400 at New Zealand independent workshop rates. That figure is for this job on its own. A car showing the symptoms on this page is usually worth either walking away from or negotiating down by at least the repair figure.
Which Nissan Skyline years are affected?
Our research records this fault on the 1998–2002 Nissan Skyline. Build dates move around, especially on imported cars, so treat the range as the years to look hardest at rather than a guarantee either way. The official records tell you the exact build and first registration date for the car in front of you.
How do I check for it before I buy?
Pull each coilpack and inspect the base boot for cracking or carbon tracking (black marks indicating arcing). Swap suspect coilpacks between cylinders to see if the misfire follows the coilpack. Check spark plug condition under each coilpack — black, oil-fouled, or eroded plugs indicate a long-standing misfire. Scan for cylinder-specific misfire codes. Look here: Six individual coilpacks seated directly on the spark plugs through the cam cover, three per bank