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Tuning / Diagnostics -- engine and transmission Tune and diagnostics for engines and auto transmission.

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Old 01-25-2013, 03:43 PM   #1
Unknown SSRS
 
Drives: 2011 VR SS/RS
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trouble codes : po174.. lean code...

Would a leaky intake pvc hose cause pl174(lean code)?only on the pass side. Car is tuned... Changed o2 sensor and ext harness and its still coming up. Looks like the stock pvc hose and vararam hose connects.. doesnt have a very good seal. So I pit a heat shrink on it... Will that fix the problem?... Can't think of anywhere i can get a vac leak. Headers are on good and tight. And i nver messed with anything else... HELP!
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Old 01-26-2013, 09:48 AM   #2
JANNETTYRACING
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Quote:
Originally Posted by Unknown SSRS View Post
Would a leaky intake pvc hose cause pl174(lean code)?only on the pass side. Car is tuned... Changed o2 sensor and ext harness and its still coming up. Looks like the stock pvc hose and vararam hose connects.. doesnt have a very good seal. So I pit a heat shrink on it... Will that fix the problem?... Can't think of anywhere i can get a vac leak. Headers are on good and tight. And i nver messed with anything else... HELP!
If the Vararam was on the car when it was tuned, then it was not tuned correctly.

If you added the Vararam after the tune you need to get retuned.

Ted.
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Old 01-26-2013, 12:19 PM   #3
Unknown SSRS
 
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It was on the car when it was tuned... I'm glowing its just an exhaust leak somewhere...besides that I don't know.
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