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2006 J200 Chevrolet Lacetti 1.6 v16 F16D Caravan
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Discussion Starter · #1 ·
I bought the car recently, had a valve deck leak, a bit of oil on the spark plugs, and a realy dirty throttle so i replaced the gasket,cleaned it, New spark plugs and cleaned the throttle, everything is back in place, started the engine and the RPM started alternating between 3000 and 2500 after a short while it gone back down to 1100 and start again as soon as i touch the accelator, seemingly the idle is goin back and forth.

Blocking the airway, the engine stops instantly and let the vacuum go trough the EGR as soon as it opens.

There was about 2mm gunk on the throttle so might be that the idle needs to learn the parameters again, fault codes are, mixture too lean, and o2s1 sensor voltage low, (checked it, the sensor is New and working well.)
 

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Complete Your Sign-Up basics please. See the link below how to do this.
World location - Hungary ??
Vehicle year, variant, engine? J200 or J300 build? There are five different variations of petrol engine for the Lacetti.

Do you have any diagnostic codes?

.
 

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Registered
2006 J200 Chevrolet Lacetti 1.6 v16 F16D Caravan
Joined
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2 Posts
Discussion Starter · #3 ·
It's in Hungary.
Caravan
1.6 v16 engine F16D
2006
J200
The fault codes are as follow and the parameters on start.
Ignore the Map sensor i unpluged it while working on the car and forgott to plug it back on before turning the idnition.
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