Question about 1999 Suzuki Vitara
I have changed the water pump on H20A motor. Since then the oil pressure drops as soon as the engine gets to working temperature.
It probably has nothing to do with the water pump job. It could be that the engine has reached the age of being worn out, or the oil pressure switch may be failing.
You would want to use a mechanical gauge to check actual oil pressure in the engine hot and cold.
Posted on Jul 17, 2013
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Posted on Jan 02, 2017
SOURCE: H20A suzuki spark plug gap
In general, a smaller gap, like .032 inches will give you more power, better starting, especially in cold weather or with a turbo charger.
A larger gap, like .045 inchers will giver you better mileage and better reading on pollution tests.
While the oxygen sensor will pick up on any change in spark plug gap, you can compensate with a variable resistor in series with the oxygen sensor. So you can tweak the power vs mileage any way you want.
Posted on Feb 04, 2010
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