Question about 1991 Mercury Capri

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Car seems to be only running on 3 cyclinders, when the turbo kicks in it seems to smooth out?

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Pull spark plugs and check how they are burning. See if one looks worse. Check to be sure you have spark from all 4 spark plug wires. May need a plug, new wires or distributor cap.

Posted on Jul 01, 2009

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Posted on Jan 02, 2017

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Volvo 1998 v70 tdi loss of power and a lot of black smoke lamda fuel light has been on since timming belts replaced been told its the turbo pump runnig at half is this possible and where is the turbo pump...


I don't know about the turbo running at half, but I can give you two ideas.

If it only started after the timing belt was replaced there is a very good chance that the timing is off. The car has very specific instructions due to the variable valve timing.

There is also a chance that there is a hole in one of the turbo hoses. One way to check for a leaking turbo hose is to put the car in reverse and set the parking brake. have someone listen for a large air leak while you power stall the engine. if there is a leak it will make a lot of noise and you can feel for it with your hand, just don't burn yourself.

DO NOT POWERSTALL THE ENGINE MORE THAT THIRTY SECONDS AT A TIME AND NO MORE THAN TWICE. IT WILL GET VERY HOT VERY QUICKLY.

DO NOT SHUT OFF THE ENGINE RIGHT AFTER POWERSTALLING. THERE IS TO MUCH HEAT AND COULD CAUSE DAMAGE. LET THE ENGINE IDLE FOR THREE MINUTES AND IT WILL BE FINE.


I hope this helps

Aug 05, 2008 | 1998 Volvo V70

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