I have my disco 300 tdi revised but the Check engine LIght still comes on whwn i am driving at low speed(20-30 mph) and at the same time there is a momentary loss o power.
When i am driving at higher speed the Check Engine light does not come on but i can feel litlle cough of the engine as if something is blocking it...
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Re: check engine light
Check turbo hoses for splits , remove them and check inside of the pipes for loose rubber , these loose bits normally get filled with air and block the pipes.Also check the pipe between the turbo and the injector pump for splits.I am close to you in Nelspruit if you need help.Contact Fixya or send a message to Landyman.
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you need to scan you vehicles ECM, there is a trouble code stored there. depending on where you live most parts stores( such as a shucks/orielleys) will have a scan tool they will let you use if the vehicle is in thier parking lot. this should diagnose the issue, provided the battery hasnt been disconnected since then.
You use premium gas in a TDI? Run that by me again? A TDI is a diesel engine car. What don't I understand here? I'm not being a smart __s but this just does not make sense. If you have put gasoline in a TDI, DO NOT DRIVE IT. Tow it to a dealer.
Amazingly enough, If one or more of your brake lights is burned out this can cause the Glow plug indicator to flash, replace the burned out bulb(s). This often sets a Code but will not turn on the Check Engine light. It took me forever to find this solution first time it happened. I've seen it many times since.
If it's the check engine light, I'd look at the radiator for partial internal obstruction...In colder temps or running at speed it tends to run a bit cooler. RPM change may be computer attempting to compensate for this. I'm not a KIA expert, but this applies to any vehicle. Also check your coolant level. If it's low it will also act this way.
The check engine light can come on for many reasons! But being that changing the sensor at the exhaust did help for a while makes me tend to believe there is still a prob in this area. If you do a lot of low speed driving and stop an go, the convertor on the exhaust could be clogged a bit. Esp a lot of short drives. The dealer sounds like a place to stay away from!! Frankster016
find your local vw service center and see if they can plug their computer in to see if there are any codes on the cpu. there may be one for an intermitent for the turbo. i ran into the same problem last month and it was the turbo veins are sticky so occasionaly it lack power going up hills. it did not cause the check engine light to come on, but there was a code on the cpu when they checked it. if it happens again while you are driving, pull over, shut the car off for 10-30 secs then restart it and see if it makes a difference. when it happened to me i called my guy and thats what he had me do and it was like a new car after that.