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It usually happens in high mileage engines that have excessive wear to the main bearings (which causes the knock) and too much wear to the oil rings on the pistons (which causes the smoke). A slight knock can mean that you need to add a higher octane gasoline, however, when both knocking and smoking occur, it probably means that you'll have to have the engine overhauled.
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∙ 14y ago
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What causes your 1984 Nissan Datsun 2.4 liter truck to knock?
I don't have a 1984 Nissan Datsun 2.4 liter truck. Did you mean to ask what might be causing YOUR truck to knock?
Why does your truck blow blue smoke?
your truck blue smoke when it burns oil, or transmission fluid.
Where do you find the knock sensor on a 1989 gm sierra truck?
As you are looking at your truck from the front the knock sensor shoud be on the passenger side right under the manifolds
Can you smoke inside?
At your house.. Sure, knock yourself out. But in public... No.
Will the knock sensor make the smoke?
No. The knock sensor's purpose is to detect spark knock (pinging) and send a signal to the ECM to temporally retard the timing until the spark knock stops.
Why does truck skip on one side and blows black smoke?
Why does my truck skip and pop on one side and blows black smoke??
Where is the knock sensor on a 1992 GMC Sierra 1500 5.0L truck?
where is knock sensor on a 2001 sierra 5.3 2wd 1500.
Can you smoke in a business truck in Kansas?
You can't smoke in any company cars from any where!
How do you separate the hub from the rotor on a 1978 Chevy 4x4?
REMOVE the assembly from the truck then knock the wheel astuds out then knock the hub off the rotor.
Why is it that if a knock on your dashboard in your truck the sound comes out of your sub-woofer?
Bad wiring.
Why does your truck white smoke?
Typically water in engine.
Where is the knock sensor located on a 2005 Dodge 1500 pickup truck?
It doesn't have one.
