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Golden Wrench
Golden Wrench, Shop Foreman
Category: Car
Satisfied Customers: 348
Experience:  ASE 30 Years of fixing severly broken cars and light trucks
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Check engine light on code po..cylinder..misfire..oxygen sensor

Customer Question

check engine light on code po 172 >to rich bank 1 & po 300 > cylinder multipiple misfire. Spent $300 on new plugs and oxygen sensor at repair shop no help> 1998 plymouth breeze 2.4 liter
Submitted: 8 years ago.
Category: Car
Expert:  Golden Wrench replied 8 years ago.
I'm GW. Do you still have the misfire? Did it leave the shop with a misfire? Is the ck eng lite back on?
Customer: replied 8 years ago.
yes it left shop with misfire ch eng lite back on
Expert:  Golden Wrench replied 8 years ago.
OK. Was it actually misfiring? You probably have an ignition coil down. Have the shop check for spark at the coils. Common problem.
Golden Wrench and 12 other Car Specialists are ready to help you
Customer: replied 8 years ago.
I haven't had a chance to take it back to the mechanic, but I will accept your answer.
Expert:  Golden Wrench replied 8 years ago.
OK. Just post here again if you need more help, meaning reply to this post. GW