Oldsmobile Bravada Spark Plug Type
Find the correct spark plug type, gap size, and replacement interval for your Oldsmobile Bravada. Covers all model years with torque specs.
Oldsmobile Bravada Spark Plug Type
The Oldsmobile Bravada typically uses iridium or platinum spark plugs. Newer models (2010+) use long-life iridium plugs rated for 60,000-100,000 miles. Check below for your specific year.
Spark plug type and gap depend on the exact engine. Confirm the engine code before buying plugs or setting the gap.
Exact Vehicle Check
Use the archive navigator when you need the exact engine, trim, or production-branch manual instead of a broad year-range summary.
1993-1998
Representative 1993 manual branch for 1993-1998
A L L Diagnostic Trouble Codes ( DTC )
Achieva L4-138 2.3L DOHC VIN D MFI
A L L Diagnostic Trouble Codes ( DTC ) — 1993 Oldsmobile Achieva L4-138 2.3L DOHC VIN D MFI Service Manual | Operation CHARM Operation CHARM : Car repair manuals for everyone. Home >>...
Open factory section →A L L Diagnostic Trouble Codes ( DTC )
Achieva L4-138 2.3L SOHC VIN 3 MFI
A L L Diagnostic Trouble Codes ( DTC ) — 1993 Oldsmobile Achieva L4-138 2.3L SOHC VIN 3 MFI Service Manual | Operation CHARM Operation CHARM : Car repair manuals for everyone. Home >>...
Open factory section →1991-1992
Representative 1991 manual branch for 1991-1992
A L L Diagnostic Trouble Codes ( DTC )
Calais L4-138 2.3L VIN A FI
A L L Diagnostic Trouble Codes ( DTC ) — 1991 Oldsmobile Calais L4-138 2.3L VIN A FI Service Manual | Operation CHARM Operation CHARM : Car repair manuals for everyone. Home >> Oldsmob...
Open factory section →A L L Diagnostic Trouble Codes ( DTC )
Calais L4-138 2.3L VIN D FI
A L L Diagnostic Trouble Codes ( DTC ) — 1991 Oldsmobile Calais L4-138 2.3L VIN D FI Service Manual | Operation CHARM Operation CHARM : Car repair manuals for everyone. Home >> Oldsmob...
Open factory section →1999-2004
1999-2004- →Use a torque wrench — over-tightened plugs can strip aluminum heads
- →Apply a thin coat of anti-seize to threads (unless plug is pre-coated)
1993-1998
1993-1998- →Use a torque wrench — over-tightened plugs can strip aluminum heads
- →Apply a thin coat of anti-seize to threads (unless plug is pre-coated)
1991-1992
1991-1992- →Use a torque wrench — over-tightened plugs can strip aluminum heads
- →Apply a thin coat of anti-seize to threads (unless plug is pre-coated)
Frequently Asked Questions
- What spark plugs does a Oldsmobile Bravada use?
- The Oldsmobile Bravada spark plug type varies by year and engine. Newer models (2010+) typically use iridium plugs for longer service life. Older models may use platinum or copper. Check the specs below for your exact year.
- How often should I change spark plugs on a Oldsmobile Bravada?
- Modern Oldsmobile Bravada models with iridium plugs can go 60,000-100,000 miles between changes. Older models with copper plugs need replacement every 30,000 miles. Replace sooner if you notice misfires, rough idle, or poor fuel economy.
- What is the spark plug gap for a Oldsmobile Bravada?
- Most Oldsmobile Bravada models use a spark plug gap between 0.039" and 0.044" (1.0-1.1mm). Pre-gapped plugs from the OEM are recommended. Do not re-gap iridium-tip plugs as it can damage the electrode.
- Can I upgrade to iridium spark plugs in my Oldsmobile Bravada?
- Yes, upgrading from copper or platinum to iridium is generally safe and beneficial. Iridium plugs offer better ignitability, longer life, and improved fuel economy. Just match the correct heat range and gap for your engine.