HUMMER H1 4 Door Opentop Ignition coil replacement Cost
1992–2006 · Engine, Fuel & Emissions system
Typical range
$150–$882
Parts + labour
Labour hours
0.5–1h
At a typical garage
Ignition coils convert the battery's low voltage to the high voltage needed to fire the spark plugs. A failed coil causes a misfire on the affected cylinder, significantly reducing power and increasing emissions. HUMMER H1 4 Door Opentop ignition coil replacement costs $150–$882.
Warning signs you need this repair
- Engine misfire — rough, lumpy running, particularly noticeable at idle
- Check engine light with a misfire code (P0300–P0308) or coil fault code
- Noticeably reduced engine power and sluggish acceleration
- Increased fuel consumption
- Rough running that worsens in damp or wet weather
Typical parts included
- Ignition coil/coil pack
- Ignition coil
What affects the price
- Replacing one faulty coil vs all coils at once (recommended for high-mileage engines)
- Number of cylinders
- Coil-on-plug vs distributor-based system
Common questions
How much does ignition coil replacement cost on a HUMMER H1 4 Door Opentop?
Ignition coil replacement on a HUMMER H1 4 Door Opentop (1992–2006) typically costs between $150 and $882 including parts and labour at an independent garage.
What parts are needed for ignition coil replacement on a HUMMER H1 4 Door Opentop?
Common parts for this repair include: Ignition coil/coil pack, Ignition coil.
How long does ignition coil replacement take on a HUMMER H1 4 Door Opentop?
Ignition coil replacement on a HUMMER H1 4 Door Opentop typically takes 0.5–1 hours of labour at a garage.
How often does ignition coil replacement need to be done?
For a HUMMER H1 4 Door Opentop, ignition coil replacement is typically needed ignition coils are replaced on failure; typical lifespan is 80,000–100,000 miles.
Other engine, fuel & emissions system repairs on the HUMMER H1 4 Door Opentop
- ABS hydraulic unit replacement$510–$918
- ABS sensor replacement$210–$378
- ABS system bleeding$168–$302
- AC compressor clutch replacement$420–$756
- AC compressor replacement$450–$810
Ignition coil replacement cost on similar cars
- LAND ROVER Range Rover$90–$162
- JEEP Grand Cherokee$83–$149
- CHEVROLET Tahoe$90–$162
- FORD Expedition$90–$162
- GMC Yukon$90–$162
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