UK: Q5 I'm new and I need help!
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AudiWorld Newcomer
Joined: Aug 2024
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UK: Q5 I'm new and I need help!
Hello!
I have a 2009 Q5 2L turbo with the 8RB engine.
I have a rough idle, runs well once out of low revs. Showing codes P030300 misfire cylinder 3 and P030000 random misfire all cylinders. If you drive it like Daisy it runs fine If you put your foot down it jerks and splutters then shows codes P130A00 hide cylinder and P218800 system too rich at idle bank 1.
To date it's had new spark plugs, new coil packs, new injectors and compression test showed 150 across all cylinders. Back of intake valves have been cleaned.
Please can anyone offer any ideas? I really don't know where to try next!
Many thanks in advance!
I have a 2009 Q5 2L turbo with the 8RB engine.
I have a rough idle, runs well once out of low revs. Showing codes P030300 misfire cylinder 3 and P030000 random misfire all cylinders. If you drive it like Daisy it runs fine If you put your foot down it jerks and splutters then shows codes P130A00 hide cylinder and P218800 system too rich at idle bank 1.
To date it's had new spark plugs, new coil packs, new injectors and compression test showed 150 across all cylinders. Back of intake valves have been cleaned.
Please can anyone offer any ideas? I really don't know where to try next!
Many thanks in advance!
AudiWorld Senior Member
Joined: May 2011
Posts: 1,665
Likes: 251
From: Western Mass
If cleaning the throttle body doesn't fix it, sounds like a vacuum leak to me and at 14+ years old all vacuum lines are suspect until proven otherwise.
Thread Starter
AudiWorld Newcomer
Joined: Aug 2024
Posts: 3
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More issues! Help!
Hello all, the car now seems worse, prviousy the engine management light had not come on the codes were pending. It is now on but when waiting in traffic at lights for example it starts flashing, when I start moving again it goes back to steady on. Still the same codes for random misfire and misfire cylinder 3. Cylinder 3 spark plug is black and sooty.
It has now started loosing water randomly, there is no set pattern to it. Sometimes i can drive to work and back with no leak and others when i get home it is dripping from the driver side somewhere.
any suggestions?
Thanks again
Lisa
It has now started loosing water randomly, there is no set pattern to it. Sometimes i can drive to work and back with no leak and others when i get home it is dripping from the driver side somewhere.
any suggestions?
Thanks again
Lisa
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