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car is getting worse, need help before it wont run

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forcedfedgsx

20+ Year Contributor
183
0
Apr 29, 2003
95 gsx, changed plugs wires and checked power transistor. Ive also checked the secondary resistance of the coils but i can figure out the primary part of the coil check.
The car has weak firing. It is not worse under boost or i would automatically think coils. It just seems weak in general when idleing if i give it alot of gas it boggs a little before revving higher. It soon gets worse and feels like it is runnin on two but if i reset my ecu it goes back to feeling a little weak and boggs a bit when revved. I am ready to buy coils but i am hoping itts not my ecu. Any help with this would be appriciated. I really dont think it is a boost leak.
 
Originally posted by forcedfedgsx
The car has weak firing. It is not worse under boost or i would automatically think coils.

My coils recently went bad. The car was actually BETTER under boost and WOT, and only misfired (bad!) at part-throttle and low rpm.

New coils and she's perfect again :thumb:
 
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