JoinedDec 26, 2008Messages280Reaction score2Points0Age36LocationPennsylvaniaVehicle Year1992Make / ModelFordEngine Size351TransmissionManual

You are watching: Ford ranger 4 cylinder 8 spark plugs

hello allI"m not certain if I"m posting this in the exactly section, if not have the right to a mode please relocate it? Ok for my question. I had actually an 89 Ford Ranger (first truck at 16), and also it baffled me by having 8 spark plugs. What were the factors for the double plug block? Isn"t the the same ide as having dual leads top top a spark plug without actually having actually 8 spark plugs or am i wrong? From my understanding, the architecture wasn"t to rise power, yet to alleviate emissions? i beg your pardon is what is thought to occur when you include leads ~ above a spark plug..
JoinedAug 11, 2007Messages18,550Reaction score228Points0Age65LocationOntario, CanadaVehicle Year2007Make / ModelDordgeEngine Size3.3 Fuel InjectedTransmissionAutomaticMy credoLove your Neighbor
Hmmm...I thought there was additionally a slight hold-up in your firing so that it would aid burn off excess gas...can"t remember where I review that...but more than likely on a discussion here...

JoinedMay 2, 2008Messages1,610Reaction score3Points0Age36LocationSo-Cal babayVehicle Year94 extdMake / ModelFordEngine Size94 2.3TransmissionManual

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Ok, for the umpteenth time. Ford saw dis, and also edis with double plugs for one reason, emissions. Through two plugs the fuel mixture is ignited with two fire fronts. This gives a more complete burn the the fuel mixture therefore reducing emissions. It likewise gives a slight rise in power and fuel mileage, tho tough to detect.4 plugs fire at the exact same time. Two at the end of the compression stroke of one cylinder, and also two on the exhaust hit of an additional cylinder. The plugs firing on the exhaust hit is dubbed "waste spark" as it has no purpose various other than enabling a course to complete the firing circuit. Part think that is to burn remaining unburned gases native combustion, but that is no the case. Any type of remaining fuel has no oxygen for ignition, to add the rubbish spark doesn"t see sufficient resistance to create a high voltage.The vehicle drivers side plugs execute not fire during engine start. There is a "spark inhibit" circuit to manage this. This is done to provide much more electrical energy throughout startup. This occasionally makes for a pains in the ass diagnostic as the engine will still operation fine with only one financial institution of plugs firing. And, if over there is a difficulty with the passenger side not firing,the van won"t start as the motorists side is inhibited.This is no a new process. This design is found on numerous other vehicles of different mfgr.