need help plz guys
need help plz guys i just put my tranny back in my car started it up and it did great, but like the 3rd time i started it the car started back firing bad at idle.... no hesitation, no miss or anything... just a backfire coming outa the pipes... i have true duals and it was only coming outa one side.. also was doing while holding a steady throtle going down the road.... change my plugs new exhaust gaskets as i had a exhaust leak... started it back up and its still doing the same thing....i hammered on it and it ran great... pulled very very strong...im not sure wtf is going on here.. i just changed the wires about 8000 miles or so ago... coil packs have never been changed and its got over 150k on the clock.. possibly an issue or wouldnt that cause a misfire as well? anyhelp would be greatly apperciated guys thx... Jesse
Originally Posted by ProjectDuStU
i just put my tranny back in my car started it up and it did great, but like the 3rd time i started it the car started back firing bad at idle.... no hesitation, no miss or anything... just a backfire coming outa the pipes... i have true duals and it was only coming outa one side.. also was doing while holding a steady throtle going down the road.... change my plugs new exhaust gaskets as i had a exhaust leak... started it back up and its still doing the same thing....i hammered on it and it ran great... pulled very very strong...im not sure wtf is going on here.. i just changed the wires about 8000 miles or so ago... coil packs have never been changed and its got over 150k on the clock.. possibly an issue or wouldnt that cause a misfire as well? anyhelp would be greatly apperciated guys thx... Jesse
Originally Posted by V6 Bird
Check for a intake leak or a bad oxygen sensor on that bank...
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From: Tomball/Nacogdoches TX
Originally Posted by ProjectDuStU
"left bank lean" is that a 02 sensor code? also do you have any 02 sensors or know where to get em from cheaper? thx man
That should be your front 02 sensors. Are they the factory 02 sensors?
Originally Posted by Brian2006
That should be your front 02 sensors. Are they the factory 02 sensors?
, cut all the lines off... i have know put knew lines on and will be installing the front 02's 
, i always wondered why my car ran alot harder when i got the codes cleared off 
