Greetings
Need some help with the weird Idle my car has. I had the car scanned and it picked up an error code
P1137- Bank 1, Sensor 1 System too rich
The Car runs fine on the highway, it's just at stationery or idle that the idle dips from 900rpm to 400rpm almost to a switch off point. Especially if you Rev engine and leave the idle to drop.
When the car is cold the idle is perfect and stays constant. The problem happens once the car is warm. The exhaust starts to sputter slightly, backfire as well as a petrol smell.
I've changed the following:
Fuel filter with regulator
1st injector
Purge Valve
0xygen Sensor
Coolant temperature Sensor
Any thoughts what could be the problem?
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Weird Idle Polo 1.6 Bah motor 9n3
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- panic-mechanic
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Re: Weird Idle Polo 1.6 Bah motor 9n3
Did you have the injectors tested for spray pattern and quantity.?
Stephan van Tonder - Jhb - Putfontein Benoni
'05 Audi A6 3.0L TDI Avant
'09 Touareg 3l TDI
'13 VW CC 2l tdi (repair project)
'05 Touareg v10
Perfect Power dealer. I do dyno tuning.
'05 Audi A6 3.0L TDI Avant
'09 Touareg 3l TDI
'13 VW CC 2l tdi (repair project)
'05 Touareg v10
Perfect Power dealer. I do dyno tuning.
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- Enlisted
- Posts: 3
- Registered for: 9 years 9 months
- Location: Durban
Re: Weird Idle Polo 1.6 Bah motor 9n3
No i didnt.... But i did take it for a compression test. They said its low compression in cylinder 3. The car runs fine when in motion,Just at idle it gets choppy. I will take it in a for a spray pattern test.panic-mechanic wrote:Did you have the injectors tested for spray pattern and quantity.?
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