check engine light on, error code says turbo/sensor etc. Turbos do not hiss when accelerating, gas mileage has dropped, car is slower which leads me to beleive the turbo is out. Are there a few things i can try to fix the turbo myself or do i need to take it to a dealership right away? can i continue driving w/o fixing or am i going to risk blowing the engine?
Most likely the turbo is gone. What ever part of the turbo went, just replace the entire turbo. Not serviceable 99% of the time. The engine will not like being driven for any extended period of time with a bad turbo.
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You should check out www.reliable-store.com they have info on repair,
service, wiring diagram, electrical diagram, fuse diagram, troubleshooting, PCV, owner's/service/repair/parts manual, fault codes, error codes, etc everything on all vehicles. must check it out
Most turbos get their lubrication from engine oil. If the car got low enough on oil for the light to come on, there is a good chance the bearings in the turbo are "fried".
Does the engine make any unusual noises (knocking, rattling, etc.?). You may have run low enough on oil to not only ruin the turbo bearings, but also damage engine bearings.
This is probably a good candidate for a visit to your local mechanic.
I realize this is all somewhat vague, but within the limits of the info provided, it's about the best I can come up with.
If it does become necessary to visit a local mechanic, ask around (friends, co-workers, etc.) for any recommendations they might provide.
Your mechanic is spot on. The A4's are notorious for turbo overheating and failure. The oil burn is coming in the TURBO itself and then being distributed to 2.3.4 as a side effect. Your not noticing blue smoke because your catalytic converter is doing its job and the minor smoke being generated is being taken care of in the CAT. If you continue to drive as is you will run a certain risk of catalytic converter damage, cylinder damage from fouling (cylinder wash) build up, sludge, etc. If your mechanic has the knowledge on this specifc model there is a way to test the turbo output and turbo heat generation to absolutely confirm. One last thing. in ANY turbo car its imperative to run QUALITY oils not your local wal-mart brand or no name. Many people are not familiar with the demands on a TURBO engine and oil change facilities pull standard oil from 55 gallon drums via a pump.. so you arent feeding your car properly. The AVG (Audi/Volkswagen) company recommends FULL SYNTHETIC and either Castrol or Mobil 1. I have a Turbo Diesel and use Mobil1 as my choice. The recommended oil for your car via their web page is
Current Vehicle:
Year:
2003
Make:
Audi
Model:
A4 Quattro
Engine Type:
4cyl. 1.8Liter Turbocharged Mobil 1 0W-40 A fully synthetic motor oil, Mobil 1 0W-40 with SuperSyn Technology exceeds industry standards and the major leading builder requirements, enabling the product to keep performing well after conventional oils cannot. Mobil 1 is recommended by leading car manufacturers as initial fill
16619 -Engine boost condition - Limit not reached. Check intake hoses/ connections for leaks. Check Turbo charger waste gate regulating valve/ waste gate working correctly. Must move freely when accelerating, won't achieve full boost if waste gate sticking open. Check Turbo impeller turning freely, oil feed pipe for turbo can get blocked causing impeller to seize. Engine compact, not easy to access these components.
i have a 2001 Audi A6 quattro 95,000 miles when i change gear the car seems to over rev or keep reving when i put my foot on the clutch for a split second chould you tell me why is this
Hi,
the squeal is caused by a belt,not tensioned correctly ,I would check the cambelt tension first and then the serpentine belt,if not obvious you need to take to a Audi trained garage.If you plug in a code reader it will help point you in the right direction by the fault code.
sounds like a very common problem on turbo vag vehicles,the variable vains are sticking in the turbo,your fault code would have said....turbo boost pressure not reached.....common with v v t turbos,run a good quality fuel cleaner through it ,if that doesnt work then a new turbo is the only cure
2003
Make:
×