Throwing multiple codes on a 98 stang' base

xtreme 2 · January 11th, 2012, 11:57 AM

no muffler has no effect on the operation of the system.

str8chillng · January 14th, 2012, 01:57 AM

Then I'm stumped, looks like I might need a new cat on that side then... or unless theres something causing it to make the sensor throw a P0420 code.

fastpony · January 14th, 2012, 02:10 AM

The screaming demon is the worst thing. it might feel ok for the first couple of miles but it accutally sucked! took it to the track and i lost almost a good .5 second on my time compared to the stock one. I would check your syncronizer ( basically the distibutor under the coil pack) it not sending enough spark and not burning enough gas may cause the issue on the mil code. it wouldnt hurt to replace it with an oem replacement coilpack and have the synchro looked at. i had mine replaced been better ever since. i have a 98 sixer as well.

what type of plugs did you get

fastpony · January 14th, 2012, 02:17 AM

hmmm dis regard, last comment. but the aftermarket o2's go bad... its a hit or miss to get a good one.

str8chillng · January 17th, 2012, 02:15 AM

Just came back from a roadtrip from Lacrosse. I purchased the stock motorcraft plugs for my car, aswell as other motorcraft things. I'm going to stay sorta shy of some aftermarket things. But I'd would want to do a cold air intake and maybe a dual exhaust soon, but really I have no time for that stuff. I love my mustang alot, I cruise more then I race anyhow which is why I got the sixer. But now I'm due for some new tires and an alignment soon and have to replace the right brake rotor aswell as pads.

But I haven't seen a MIL light since I had driven it a little bit, then it went away.... so it seems everything is alright. Someone had mentioned the cam synchronizer at some point, I've heard some weird squeel before but that went away long ago, so it can mean that part is going but I haven't had a code for it since I did my tuneup.

January 11th, 2012, 11:57 AM	#21
xtreme 2 Hardcore Enthusiast 2001 v6 premium Join Date: Nov 2008 Location: Tulsa, OK Posts: 1,340 Blog Entries: 1 iTrader: 0 reviews	no muffler has no effect on the operation of the system. __________________ Screw it, coming to play with the big boys... 5.4L Vortech COMING SOON!

January 14th, 2012, 02:10 AM	#23
fastpony Regular 1998 ford mustang gtclone Join Date: Dec 2006 Location: Minneapolis,MN Posts: 488 iTrader: 0 reviews	The screaming demon is the worst thing. it might feel ok for the first couple of miles but it accutally sucked! took it to the track and i lost almost a good .5 second on my time compared to the stock one. I would check your syncronizer ( basically the distibutor under the coil pack) it not sending enough spark and not burning enough gas may cause the issue on the mil code. it wouldnt hurt to replace it with an oem replacement coilpack and have the synchro looked at. i had mine replaced been better ever since. i have a 98 sixer as well. what type of plugs did you get __________________

January 14th, 2012, 02:17 AM	#24
fastpony Regular 1998 ford mustang gtclone Join Date: Dec 2006 Location: Minneapolis,MN Posts: 488 iTrader: 0 reviews	hmmm dis regard, last comment. but the aftermarket o2's go bad... its a hit or miss to get a good one. __________________

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January 14th, 2012, 01:57 AM	#22
str8chillng Very homosexually 1998 Mustang BASE 17.3 Join Date: Dec 2011 Location: Chicago Posts: 193 iTrader: 0 reviews	Then I'm stumped, looks like I might need a new cat on that side then... or unless theres something causing it to make the sensor throw a P0420 code.

January 17th, 2012, 02:15 AM	#25
str8chillng Very homosexually 1998 Mustang BASE 17.3 Join Date: Dec 2011 Location: Chicago Posts: 193 iTrader: 0 reviews	Just came back from a roadtrip from Lacrosse. I purchased the stock motorcraft plugs for my car, aswell as other motorcraft things. I'm going to stay sorta shy of some aftermarket things. But I'd would want to do a cold air intake and maybe a dual exhaust soon, but really I have no time for that stuff. I love my mustang alot, I cruise more then I race anyhow which is why I got the sixer. But now I'm due for some new tires and an alignment soon and have to replace the right brake rotor aswell as pads. But I haven't seen a MIL light since I had driven it a little bit, then it went away.... so it seems everything is alright. Someone had mentioned the cam synchronizer at some point, I've heard some weird squeel before but that went away long ago, so it can mean that part is going but I haven't had a code for it since I did my tuneup.

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