Astra DTI Loss of Power

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Mon 26 Feb 2007 12:38
Astra DTI Loss of Power - BigBen
I have a 2001 Opel Astra 1.7DTI which is suffering from a lack of power. I know this is not supposed to be lightening quick however I cant get it going even in the low gears. It is slow to pull away from junctions, go up hills, overtake etc. There is no ECU warning light appearing and every now and again it comes to life whereby I can just about keep it from spinning the tires. When this happens it will stay this way until I turn off the engine and then it reverts back to its usual sluggish self. Any suggestions greatly appreciated. Thanks.
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Mon 26 Feb 2007 19:14
Astra DTI Loss of Power - dieselhead
Sounds like it's logging a fault and going into limp home mode, really a job for a specialist to connect to a computer and recover and interpret the fault codes. Could be a sticking turbo actuator or probably something simple like a collapsed or leaking hose throwing boost pressure out.
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Mon 26 Feb 2007 22:25
Astra DTI Loss of Power - krebb industries
A mate of mine had a Vectra DI, which exhibited similar symptons. Both Vauxhall garages and independent diesel specialists could find no fault, but had no difficulty in suggested the air mass meter (£80, no change) and then a new injection pump (£2000+).

He put up with the car, and then looking under the bonnet with the engine running, he felt a gale blowing. Turns out thast the pipe from the turbo to the inlet manifild has a great big split along it. New pipe, new car that is still running strong.

Check all joints and the pipes themselves.

HOWEVER, before doing this, make sure you have no loose clothing or jewellery, and if sticking your hand anywhere in the engine compartment, keep away from anything that rotates. And that includes the electric cooling fan that may switch in and out at any time.

I've had two DI vectras and a DTI Astra (2.0 litre) that have all suffered from the dreaded injector seals problems - now cured - and the middle V reg Vectra had a nasty thirst for oil. When they run okay, they're nice engines......
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