tdi turbo bost loss

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jditto

tdi turbo bost loss

Post by jditto »

I have a 98 jetta tdi that I has the following problem. If the engine is cold and I start the car the turbo works just fine. If I shut the engine off and then restart the engine the turbo will kick out at about 2200rpm in 5th gear. I have replaced the engine control module ($20) and I just replaced the mass air module ($100.00). I still have the problem. any ideas.
coke

Post by coke »

Check your intake for soot buildup and EGR valve for proper operation,
subiemech85
Turbo Charger
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Post by subiemech85 »

restricted exhaust, defective boost controller, broken wastegate system
2/1985 greman build jetta diesel 1.6 IDI
odometer broken stopped at 212,300 for sale, $ 2,500
"chatterbox"

04/81 rabbit pickup 64,xxx miles
Slate Grey Metallic (LE6U)
WTB: liftkit
Neb

Post by Neb »

Yeah.. look at those sugestions. Broken waste gate might be a higher possiblity since I see that alot in the forums.

I have a 2002 jetta A4 engine. Same issue. Replaced the MAF. I can unplug the MAF and I still get better power. Go figure. With the A4 you don't have a waste gate but vacum hoses. If they are plugged you get no power.

Since you have a waste gate it might be sticking, since its more like a valve.

Either that or you need to feed the Gerbal more often. :roll:
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