In spool , Chuggs pops an misfires

boostproduct

New member
I bought this wrx impreza 2003, when under a load or stress it will chugg/ jolt around an every so often it will pop , Sounds like a misfire to me.. plugs have been changed an the only codes that have came up were P0546,P0130,P0130

as for the mods that the car has : Manuel boost controler, Turbo xs bov, Sti top mound intercooler, Sti K&n short ram intake. an that's it I believe. I did blow a coil on cylinder #1 couple days after I got the car. but I replaced it an checked the rest , has run like raisin sense ive gotten it. an I only run 10 lbs of boost.

 
That's an exhaust gas temp code and o2 sensor code. Prob explains what your experiencing.

 
Yeah the p0130 is exhaust temp sensor I thought . I plugged my recirculating bov hose an put a vta turbo xs bov an it helped alittle but it's still unsatisfieing everytime I wanna punch it ..

 
that 02 sensor is the biggest thing killing your performace right now...swap it out and things will be much better....

 
Which is p0546? Any idea on howmuch it would be to fix? An what's this resister fix I keep hearing about? Also pretty depressing considering I've been robbed a raisin ton of power sense I've owned this car cause of this issue

 
That's for the rear o2 sensor which is for the cats. The front one corrects your a/f ratio, which needs to be replaced, no resistor can fix that to make your car run right. Listen to the 2 mechanics Mike and Matt.

You do that modification to your car with a working o2 sensor, and you're going to melt pistons while you're in boost

 
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