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Author Topic: High RPM at idle  (Read 838 times)

Offline DonovanPorter

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  • Model: Sharan Mk2
  • Spec: 2001 2.8 VR6
  • First Name: Donovan
  • Region: Non UK
  • Country: Non Europe / RoW
High RPM at idle
« on: March 01, 2019, 07:15:10 am »
Morning all

so i done a scan on my Sharan and from it i got the following from my VCDS Scan.

4 Faults Found:
16487 - Mass Air Flow Sensor (G70)
            P0103 - 35-10 - Signal too High - Intermittent
16525 - Oxygen (Lambda) Sensor B1 S2; Heating Circuit
            P0141 - 35-10 - Malfunction - Intermittent
16518 - Oxygen (Lambda) Sensor B1 S1
            P0134 - 35-10 - No Activity - Intermittent
17551 - Load Calculation Cross Check
            P1143 - 35-10 - Upper Limit Exceeded - Intermittent
Readiness: 0000 0000

i have no replaced the MAF and both O2 Sensors, and the car drives like a dream.
however at idle iit sits at about 1500rpm...

at idle it should be about 750RPM.

what am i missing? a vacuum leak maybe.?

any ideas what to check ?


Offline johnnyroper

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Re: High RPM at idle
« Reply #1 on: March 01, 2019, 08:51:03 am »
Sounds like a vac/air leak to me.
You need to have a check of all pipes and joints

Offline DonovanPorter

  • Default User Group
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  • Model: Sharan Mk2
  • Spec: 2001 2.8 VR6
  • First Name: Donovan
  • Region: Non UK
  • Country: Non Europe / RoW
Re: High RPM at idle
« Reply #2 on: March 01, 2019, 08:55:57 am »
i will do a thorough check this evening and ill report my findings

 

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