spark firing order on 1990 Isuzu Trooper

what is the firing order of the spark plugs on the 2.5 L 4-cylinder engine Isuzu Trooper 1990

by in Emmett, ID on April 10, 2010
2 answers
ANSWER by on April 10, 2010
You can see the firing order for the 2.6L SOHC 4 cylinder engine on your truck here; http://bit.ly/cEuOHq
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ANSWER by on April 10, 2011
what is the firing order of the spark plugs on the 2.5 L 4-cylinder engine Isuzu Trooper 1990
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