Joey E
Member
- Joined
- March 17, 2013
- Messages
- 31
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- Year, Model & Trim Level
- 97 FORD EXPLORER 4.0 4x4
I have a 97 ford explorer 4.0 ohv 142k miles it has a 1000 rpm idle when it's idling at 1000 it doesn't bog or idle rough but when it drops to 600 it chug chug chug idle the engine rocks a little and the exhaust puffs puff I have changed the maf sensor temp sensor o2 sensors plugs and wires mastercraft egr valve and still acts up just wonderin if anyone was having this issue or know what it could be thanks