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99' 3.0 U cylinder #3 misfire solved

198 Views 1 Reply 2 Participants Last post by  Automender12345
Injectors checked out in spec, plug wires and coil changed recently, ran compression check and low reading on #3. Discovered broken intake valve spring, replaced the pair and new seals, will change the ten remaining later this month. Runs like a top again, 306,800 miles.

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How did you remove the spring? Compressed air in the cylinder?
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