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911uk

Oxygen Sensor Size

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4 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

Discussion summary

YOUR RESEARCHOxygen Sensor Size

Leading reported evidence

Use breaker bar

Performed · outcome unconfirmed

No successful repair reported for this finding.

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Performed · outcome unconfirmed

Im afraid all i use is the standard size lambda tools or cut the wires and use a breaker bar with a socket .

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Oxygen Sensor Size
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Leading evidence: 'Use breaker bar' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Use breaker bar' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.

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Use open ended 21mm spanner is a non-starter

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Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

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Suggestion · Original poster

My sensor socket is standard 22mm so don't want to use that and using an open ended 21mm spanner is a non-starter.

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Oxygen Sensor Size
Frequently discussed actions (2)

These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.

Use breaker bar

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that performed work without a confirmed outcome
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed

Im afraid all i use is the standard size lambda tools or cut the wires and use a breaker bar with a socket .

Original post Read captured discussion
Oxygen Sensor Size

Use open ended 21mm spanner is a non-starter

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster

My sensor socket is standard 22mm so don't want to use that and using an open ended 21mm spanner is a non-starter.

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Oxygen Sensor Size
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Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.

4 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

  • 911uk: 1 discussions

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Generation: 20261027T053112Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

Hi All, New member here with my 1st problem with a 1998 C2 Engine was running a bit lumpy any my generic code reader indicates Bank 2 Oxygen sensor is open loop. Ordered a new pre-cat sensor but when I've come to replace it the old sensor nut is 21mm (same both sides) My sensor socket is standard 22mm so don't want to use that and using an open ended 21mm spanner is a non-starter. Did some googling but I don't see any 21mm Sensor sockets available ???. All write ups on this refer to 22mm sensors so not sure if I've got something non-standard on the car. Anyone had similar problem??

POST 2Original post

Lanbda sensors are a standard size as far as im aware and thats 22mm . Could your lambda tool have opened out a bit and so not grip or can you actually get a 21 mm spanner to fit on the sensor ? Im afraid all i use is the standard size lambda tools or cut the wires and use a breaker bar with a socket .

POST 4 / ORIGINAL POSTEROriginal post

Yes a 21mm spanner fits on fine, and its not as if its rusted to a smaller size. I suppose cutting the sensor body and getting a socket on may be the only way, but the clearance may be a problem for the breaker bar on the socket. Need to take a further look tomorrow.. :?:

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