Question about Volkswagen Cars & Trucks
It stays in limp mode unless i switch off engine and restart. i have changed the MAF sensor and i checked all the high pressure pipes, they seem all fine. the mechanic cleaned the turbo as well. the read out is inconclusive air pressure what would be the most sensible way to proceed now ?
Limp Mode is the Engine protecting itself as one of the engine sensors has found a fault listed as serious. Are there any warning lights showing on the dashboard?
You will need to get it plugged into a Diagnostic System or an OBD2 scanner to find out if there are any trouble/error codes. This will guide you to what the possible problem is.
Most garages and dealerships will charge for this but you can buy simple and basic OBD2 scanners online.
Please comment below if you need anymore help or how to translate the trouble codes.
Posted on Mar 28, 2019
Testimonial: "thanks, no lights on dash. has been a few times through diagnostic system and didn't point to anything specific, this is why i wondered what the next likely suspects are.... MAP, N75 and so on ?? there seem so be so many sensors, all resulting in implementing limp mode."
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Posted on Jan 02, 2017
i will try to help. 171/174 indicates lean condition in engine. the mass air flow sensor is located in the rubber tube going to throttlebody. you can try to clean it. using mild carb cleaner safe for sensors, remove sensor from tube. spray clean the tiny wires located in the cylinder. do not touch them, they are very delicate. these engines are also notorious for leaking intake gaskets and faulty pcv valves. these will all set these 2 codes. feel free with anymore questions.
Posted on Nov 15, 2008
SOURCE: slow acceleration, high rpm
This sounds normal to me! The engine will read that rpm when accerlerating lightly. It is the stall of the torque convertor. The oil pressure will always be higher when the rpm's are higher, or when the oil is thicker - cold.
Virbration? That is a different story. Oil won't cause that.
Posted on Apr 02, 2009
Most faultcodes don't disappear automaticly, the have to be 'reset' manually after repairing. It sounds like the code didn't get erased after replacing the MAF. You could try to disconnect the battery for 10 minutes (disconnect and reconnect the negative (-) pole), which should erase the code.
Whenever the engine light still comes back on after that, there probably still is some (other) problem ...
Posted on Aug 24, 2009
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