p0452
ok so yes I have read through all the post on the p0452 code and have tried all things stated. and still have the code..........so here is the deal I have bought a new gas cap put in a working ftps as well as a 2 way valve checked all vacuum lines in the area of the sensors as well as replaces the sensor harness an still throwing the code what else could be throwing this code my last resort is going to change the ecu. if anyone can help me with this that would be great just bought the car about 3 weeks ago and need to pass emission and cant with the code. car info is a 98 civic ex with stock d16y8 only mods are aftermarket megan exhaust after market coilovers and a AEM cool air intake
Last edited by slammed_c!v!c; Dec 12, 2014 at 04:54 PM.
Also, read this thread, then fix yourself before you get your thread locked.
https://honda-tech.com/honda-civic-d...sting-3002401/
https://honda-tech.com/honda-civic-d...sting-3002401/
...You still haven't read the rules sticky. That's obvious. Read it. It's not optional. Here, I'll hold your hand through it.
You're throwing all of this time and effort into it, and you don't even know how to reset the CEL? Come on...
https://honda-tech.com/honda-civic-d...tions-1998336/
The FAQ sticky, where 9 times out of 10, your question will be answered. Within that thread, you will find this thread
https://honda-tech.com/honda-civic-d...lists-1901557/
Which fully details how to pull codes, as well as how to reset your ECU.
Car information
For all technical questions, the following information MUST be included in the first post: vehicle (year, make, model) and engine (if not stock, year, make, model, OBD type). Other pertinent information includes check engine light (CEL) codes as well as engine modifications, such as a turbo kit tuned at 18 psi or a specific throttle body, large injectors, big cams, etc. This information is absolutely essential because, in many instances, members wishing to help in a thread waste their time by posting detailed replies, only to find out the next day that the topic starter left out CRITICAL information. Please respect members wishing to help by taking the time to list or mention crucial information about your car.
For all technical questions, the following information MUST be included in the first post: vehicle (year, make, model) and engine (if not stock, year, make, model, OBD type). Other pertinent information includes check engine light (CEL) codes as well as engine modifications, such as a turbo kit tuned at 18 psi or a specific throttle body, large injectors, big cams, etc. This information is absolutely essential because, in many instances, members wishing to help in a thread waste their time by posting detailed replies, only to find out the next day that the topic starter left out CRITICAL information. Please respect members wishing to help by taking the time to list or mention crucial information about your car.
Members Seeking Technical Help - Read this important message
You have come here for technical assistance. Regardless of how tech savvy you think you are, don't be arrogant with members who offer you advice. Your job is to politely answer all questions directed to you. If you are unable to comply, then don't create a thread and move on. Failure to follow this rule may result in thread closure.
You have come here for technical assistance. Regardless of how tech savvy you think you are, don't be arrogant with members who offer you advice. Your job is to politely answer all questions directed to you. If you are unable to comply, then don't create a thread and move on. Failure to follow this rule may result in thread closure.
https://honda-tech.com/honda-civic-d...tions-1998336/
The FAQ sticky, where 9 times out of 10, your question will be answered. Within that thread, you will find this thread
https://honda-tech.com/honda-civic-d...lists-1901557/
Which fully details how to pull codes, as well as how to reset your ECU.

You still haven't read the rules. Don't post anywhere but here. You already have a thread. Stay in your own thread. You had time to type up that last useless post - you could have given us the pertinent information there, and yet you chose not to.
Trending Topics
Thread
Thread Starter
Forum
Replies
Last Post



