4.6 spitting problem

suds488 · October 8th, 2007, 11:36 PM

Im having a problem with my mustang spitting. It doesn't sound like it is missing and I have no power loss in the higher RPMs. Only when it is sitting at idle and very low throttle does it do this. No trouble code is being generated and none of the plugs are fouled. I have no I idea what it is. I have MSD coils and wires that were just put on less than 2000 miles ago. Could one of the wires be bad?

memphismustang87 · October 9th, 2007, 03:01 AM

Do u feel it when i spits or is it just noise? Mine acts up a little also sometimes and I have been tryin to narrow it down.

suds488 · October 9th, 2007, 02:28 PM

It spits and it seems like the engine shutters and when it is in gear in the lower RPMs (like 1 1/4 to 1 1/2 grand) it bucks a little until you give it some more gas. Ive never had any problems in the upper RPM range.

memphismustang87 · October 9th, 2007, 04:56 PM

Yeah. It sounds alot like what I'm feelin and hearing. I don't know if it is engine or transmission related yet. I'm gunna have a mechanic help me find the problem w/in the next month probly. It seems to mainly happen when it is warmed up for a while or driven hard. And like urs, only when not under a load, or only when the rpms are low. I have alot of engine shaking also, especially when idleing.

suds488 · October 9th, 2007, 08:42 PM

I just don't know what else it could be. I would think if it was an injector it would throw a trouble code. I guess that always wouldn't be the case. Let me know what you figure out.

memphismustang87 · October 10th, 2007, 01:39 AM

Yeah, I will. U do the same.

October 8th, 2007, 11:36 PM	#1
suds488 Regular 1996 Mustang GT Est 13.9-14.5 Join Date: Oct 2007 Location: STL Posts: 73	4.6 spitting problem Im having a problem with my mustang spitting. It doesn't sound like it is missing and I have no power loss in the higher RPMs. Only when it is sitting at idle and very low throttle does it do this. No trouble code is being generated and none of the plugs are fouled. I have no I idea what it is. I have MSD coils and wires that were just put on less than 2000 miles ago. Could one of the wires be bad?

October 9th, 2007, 03:01 AM	#2
memphismustang87 Regular Join Date: Sep 2007 Location: Memphis, TN Posts: 210	Do u feel it when i spits or is it just noise? Mine acts up a little also sometimes and I have been tryin to narrow it down. __________________ 98GT 5spd,KYB shocks & springs,K&N,new plugs & FR Wires,BBK O/R H-Pipe,Flows,Pro50 short-throw,Bullit DD Rims,2.5% tint,4.10 gears,Proj. Headlights,Mach I Shaker

October 9th, 2007, 02:28 PM	#3
suds488 Regular 1996 Mustang GT Est 13.9-14.5 Join Date: Oct 2007 Location: STL Posts: 73	It spits and it seems like the engine shutters and when it is in gear in the lower RPMs (like 1 1/4 to 1 1/2 grand) it bucks a little until you give it some more gas. Ive never had any problems in the upper RPM range. __________________ 96 GT AKA-Bethany 230rwhp 305rwt before head gasket leaked oil into 2 cylinders. Rebuild in process....PI Heads P and P'd, Manley valves, Ported PI Intake, 75mm Plenum and TB, 24 Lb injectors, SCT dyno tuned, O/R xpipe, Merit Mufflers.

October 9th, 2007, 04:56 PM	#4
memphismustang87 Regular Join Date: Sep 2007 Location: Memphis, TN Posts: 210	Yeah. It sounds alot like what I'm feelin and hearing. I don't know if it is engine or transmission related yet. I'm gunna have a mechanic help me find the problem w/in the next month probly. It seems to mainly happen when it is warmed up for a while or driven hard. And like urs, only when not under a load, or only when the rpms are low. I have alot of engine shaking also, especially when idleing. __________________ 98GT 5spd,KYB shocks & springs,K&N,new plugs & FR Wires,BBK O/R H-Pipe,Flows,Pro50 short-throw,Bullit DD Rims,2.5% tint,4.10 gears,Proj. Headlights,Mach I Shaker

October 9th, 2007, 08:42 PM	#5
suds488 Regular 1996 Mustang GT Est 13.9-14.5 Join Date: Oct 2007 Location: STL Posts: 73	I just don't know what else it could be. I would think if it was an injector it would throw a trouble code. I guess that always wouldn't be the case. Let me know what you figure out. __________________ 96 GT AKA-Bethany 230rwhp 305rwt before head gasket leaked oil into 2 cylinders. Rebuild in process....PI Heads P and P'd, Manley valves, Ported PI Intake, 75mm Plenum and TB, 24 Lb injectors, SCT dyno tuned, O/R xpipe, Merit Mufflers.

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October 10th, 2007, 01:39 AM	#6
memphismustang87 Regular Join Date: Sep 2007 Location: Memphis, TN Posts: 210	Yeah, I will. U do the same. __________________ 98GT 5spd,KYB shocks & springs,K&N,new plugs & FR Wires,BBK O/R H-Pipe,Flows,Pro50 short-throw,Bullit DD Rims,2.5% tint,4.10 gears,Proj. Headlights,Mach I Shaker

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