Turbo trubble?

5

Asked by May 29, 2008 at 10:34 AM about the 1991 Ford Probe GT Turbo

Question type: Maintenance & Repair

My probe is acting strange just when the turbo is kicking in a "pling" comes and the car dies if you dont relese the gas pedel and then it wakes upp again and in some rpms/speeds it seems to choke is it the engine that dont get air from the turbo?=S please help =(
love the car hate the problem
//J

3 Answers

45

sounds like over boosting where the turbo wastgate isn't opening when you get to peak psi then the ECU shuts the fuel off to stop the pistons melting

75

I went through 4 used turbo's turbo's when I wanted to rebuild one and drop it in. And I found that the exhaust housing cracks at the wastegate and it happened to every one. But that's just a side note I guess. I'm gonna have to agree that you've probably got troubles with the wastegate, so it's time for a pull and inspection. But when you're in there check the turbine cause mine still made 9psi with so much shaft play I could make a knocking noise with it by finger. Best of Luck

45

Thats a stuck wastegate my friend. Cheap fix: Boost controller Proper fix: External Wastegate :p

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