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SOHC - 2.3L & 2.5L Lima Engines Discussions and Topics specific to the Lima 4 cylinder engines

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Old 10-18-2012
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I am: Gary H
Join Date: Oct 2012
Location: Greenwood IN
Vehicle: Ford Ranger
Posts: 1
Total Props: 0
2.5L pinging

Looking for help with bad pinging at acceleration. have a 2000 mazda B2500 [Ford Ranger] 168k, all tune up items and filters replaced, timing belt replaced, good fuel pressure, no faults, seafoamed at; booster, crankcase and tank, gets @ 25mpg, good acceleration, replaced EGR; actuator motor, valve and exhaust press sensor. Still pings with premium gas and octane boost. Checked timing = 6 BTDC at idle, does jump to 30+ when rev engine. As best I know timing cannot be adjusted. Any suggestions would be greatly appreciated ! Thanks
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Old 02-07-2015
I am: Daryl
Join Date: Aug 2013
Location: Guam
Vehicle: 2000 Mazda B2500
Posts: 7
Total Props: 0
My 2000 B2500 just developed the same issue...did you ever find a cause or solution? I haven't yet changed the timing belt but I am looking at that as a possibility...I am thinking some sort of vacuum leak but I cannot find one...an internal leak?
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Old 02-07-2015
cheese_man's Avatar
iTrader: (1)
I am: david fowler
Join Date: Nov 2009
Location: arthur
Vehicle: 2013 transit
Drive Type: 4x2
Engine: 2.0
Posts: 2,012
Total Props: 4
sounds like your ignition coil is starting to fail

their ability to spool a charge over time does diminish
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