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P1130 code diagnostic

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

Discussion summary

YOUR RESEARCHP1130 code diagnostic

Reported or suspected cause

leaking vacuum line

Reported cause

No successful repair reported for this finding.

1
Identified cause
0
Suspected cause
0
Reported fixes
Read evidence and context

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.

Discussions that report identifying a cause
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.

Reported cause

That code on my 2000 turned out to be a leaking vacuum line.

Original post Read captured discussion
P1130 code diagnostic
Frequently discussed work

Clean mass air flow sensor

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

I decided to clean my MAF sensor.

Original post Read captured discussion
P1130 code diagnostic
Read full discussion summary

Leading evidence: 'leaking vacuum line' (1 discussions report identifying this cause; no attributable repair resolution). Across 1 matching discussions, the most frequently mentioned possible cause is 'leaking vacuum line' (1 discussions; 1 report identifying it and 0 suggest it). The most frequently discussed action is 'Clean mass air flow sensor' (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.

Source reports, not a diagnosis or a success probability. Counts refer to discussions and can overlap.

Read captured replies

1 matching discussions · 7 captured posts examined · 0 partial discussions

Compare 4 other evidence results

hoses, connection points, and listen

Suggestion or failed attempt

No successful repair reported for this finding.

0
Identified cause
1
Suspected cause
0
Reported fixes
Read evidence and context

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.

Discussions that suspect a cause
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.

Suspected cause · Original poster

On a more "traditional engine" I would just spray something like wd 40 on suspect hoses, connection points, and listen for idle change.

Original post Read captured discussion
P1130 code diagnostic

Clean mass air flow sensor

Suggestion or failed attempt

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context

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.

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

I decided to clean my MAF sensor.

Original post Read captured discussion
P1130 code diagnostic

Replace oxygen sensors

Suggestion or failed attempt

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context

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.

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

I discovered this *after* replacing the O2 sensors.

Original post Read captured discussion
P1130 code diagnostic

Replace sensor, or look at something else

Suggestion or failed attempt

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context

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.

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

Should I just replace the sensor, or look at something else?

Original post Read captured discussion
P1130 code diagnostic
Frequently discussed actions (5)

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

Clean mass air flow sensor

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

I decided to clean my MAF sensor.

Original post Read captured discussion
P1130 code diagnostic

Replace oxygen sensors

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

I discovered this *after* replacing the O2 sensors.

Original post Read captured discussion
P1130 code diagnostic

Replace sensor, or look at something else

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

Should I just replace the sensor, or look at something else?

Original post Read captured discussion
P1130 code diagnostic

Run smoothly

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

For what it's worth the engine seems to be running smoothly.

Original post Read captured discussion
P1130 code diagnostic

Tighten hose clamp

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

When I got ready to remove it, I found that the last person under the hood (no,not me) neglected to tighten the hose clamp for the large diameter hose that runs from the air box to the throttle body.

Original post Read captured discussion
P1130 code diagnostic
Reported and suspected causes (2)

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

leaking vacuum line

No successful repair reported for this finding.

1
Identified cause
0
Suspected cause
0
Reported fixes
Read evidence and context
Discussions that report identifying a cause
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.

Reported cause

That code on my 2000 turned out to be a leaking vacuum line.

Original post Read captured discussion
P1130 code diagnostic

hoses, connection points, and listen

No successful repair reported for this finding.

0
Identified cause
1
Suspected cause
0
Reported fixes
Read evidence and context
Discussions that suspect a cause
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.

Suspected cause · Original poster

On a more "traditional engine" I would just spray something like wd 40 on suspect hoses, connection points, and listen for idle change.

Original post Read captured discussion
P1130 code diagnostic
Coverage and how to read this overview

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.

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

  • Rennlist: 1 discussions

0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.

0 acknowledgements have no verified action link; they do not establish a repair result.

Generation: 20261027T182539Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

I was idleing for a while today in traffic with an air temp of about 85F and a coolant temp of 104C (219F). The check engine light came on so I headed to Autozone and the pulled the code. It was P1130. My car is a 2001. They told me that I needed a new o2 sensor ahead of the cat on the 4-6 cylinder side. Should I just replace the sensor, or look at something else?

POST 2 / ORIGINAL POSTEROriginal post

I should have said above that the car only has 28K mi on it.

POST 3Original post

1130 is O2 sensor on that bank out of range on idle. Could be something on that bank causing a rich/lean condition, like a leaky injector or intake air leaks. I would get it properly diagnosed.

POST 4Original post

That code on my 2000 turned out to be a leaking vacuum line. I discovered this *after* replacing the O2 sensors.

POST 5Original post

Agree with others it's not the O2 sensor. Second what Cosmo said.

POST 6 / ORIGINAL POSTEROriginal post

For what it's worth the engine seems to be running smoothly. I don't have much experience with Porsche engines. Do I need to take it in or is there something that I can do? On a more "traditional engine" I would just spray something like wd 40 on suspect hoses, connection points, and listen for idle change.

POST 7 / ORIGINAL POSTEROriginal post

UPDATE: When fixing something you should start with the easy stuff first. I decided to clean my MAF sensor. When I got ready to remove it, I found that the last person under the hood (no,not me) neglected to tighten the hose clamp for the large diameter hose that runs from the air box to the throttle body. Whille I was at it I did clean the MAF sensor, but it was clean. The idle is now smoother. I am now convinced that this is where I was getting a low rpm air leak which gave me my P1130 code.

This is a source reference. Confirm exact model applicability in the original material.