H22A Prelude Posted September 3, 2009 Share Posted September 3, 2009 Hi this is my first time on a forum and i have a number of problems and would aprresiate any input. First of all i bought my prelude with the swap already done i got it cheap because they hacked the swap and the cars never really ran right. recently i had my external coil go bad my question is is it the right ignition setup or is it the h23s. i was told that it was supposed to have an internal coil. if so whats involed in the swap. also the ecms numbers are gone not sure if its even the right one and its got a chip that in my thoughts is half the running probems it runs to rich and has problems off idle. HELP Quote Link to comment Share on other sites More sharing options...
xxhrdcr4lifexx Posted September 3, 2009 Share Posted September 3, 2009 (edited) could be o2 sensor with a mixture of your egr being clogged or just bad, check your iacv, and does it have the right ecu for it the correct cpu for it, and is it the right map sensor blah blah blah the list can go on and on... so for the idle and running rich prob check yo iac, egr, and all vacuum hose and lines and other components. not sure about the coil, you could just google that up real quick Edited September 3, 2009 by xxhrdcr4lifexx Quote Link to comment Share on other sites More sharing options...
H22A Prelude Posted September 4, 2009 Author Share Posted September 4, 2009 <br />could be o2 sensor with a mixture of your egr being clogged or just bad, check your iacv, and does it have the right ecu for it the correct cpu for it, and is it the right map sensor blah blah blah the list can go on and on...<br /><br />so for the idle and running rich prob check yo iac, egr, and all vacuum hose and lines and other components.<br /><br /><br />not sure about the coil, you could just google that up real quick<br /><br /><br /><br /> iv replaced the tps and map sensor and bypassed the iac. the iac was causing a huge running and idle probelem. the off idle probem is an intermitant spudder/misfire. what ecm is a obd1 h22a supposed to have Quote Link to comment Share on other sites More sharing options...
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