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How I made my P0430 go away...for $15.99.

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GonzoWerke
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How I made my P0430 go away...for $15.99.

Post by GonzoWerke » Sat Feb 16, 2019 7:44 am

Following a youtube video by Scotty somebody, I ran a gallon of lacquer thinner through with 1/2 a tank. Went out on the highway, with some slow to medium sppeds on secondary roads. What the LT is supposed to do is clean off the catalyst. Seems your cat needs to lose only 10-15% efficiency to trigger a light. Well, it worked for me with no negative effects.

YMMV


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Re: How I made my P0430 go away...for $15.99.

Post by Webmaster » Sat Feb 16, 2019 10:55 am

Just out of curiosity did you clear the code or did the light go away on it’s own? You can use a scan tool to monitor fuel trims to see if it really did fix the issue. Hopefully it stays gone. Do you use cheap gas or top tier gas? I only buy top tier gas now in all my vehicles in the hopes of preventing a P0420/30.
2000 Ford Taurus SEL (excellent car, sold to a friend)
1992 Mercury Sable GS (good car except for the tranny, sold)
Current: 03 F150 King Ranch SuperCrew
Other Fords owned: 02 F150 SuperCrew 4x4, 11 F150 EcoBoost, 07 Ranger, 01 F150 XLT, 98 F150 XLT, 96 Thunderbird LX, 95 Escort GT, 86 Mustang LX, 82 Mustang

Jake_Blues
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Re: How I made my P0430 go away...for $15.99.

Post by Jake_Blues » Sat Feb 16, 2019 4:08 pm

GonzoWerke wrote:
Sat Feb 16, 2019 7:44 am
Following a youtube video by Scotty somebody, I ran a gallon of lacquer thinner through with 1/2 a tank...Well, it worked for me with no negative effects.

YMMV
you're braver than me. my 2013 just started throwing the P0420 code

GonzoWerke
Regular Member
Posts: 102
Joined: Wed Nov 07, 2018 2:20 am
Vehicle: 2013 Police Interceptor

Re: How I made my P0430 go away...for $15.99.

Post by GonzoWerke » Sat Feb 16, 2019 5:42 pm

I cleared the code. I was getting it every 50-60 miles, would clear it, and it would come back. Now I've put a couple hundred on it with no light.
93 octane is what I put in it, I know the Virginia State Police only used 87 in it.

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Re: How I made my P0430 go away...for $15.99.

Post by Webmaster » Sat Feb 16, 2019 5:46 pm

The octane rating has nothing to do with whether it’s top tier or not. https://www.toptiergas.com/why_top_tier/
2000 Ford Taurus SEL (excellent car, sold to a friend)
1992 Mercury Sable GS (good car except for the tranny, sold)
Current: 03 F150 King Ranch SuperCrew
Other Fords owned: 02 F150 SuperCrew 4x4, 11 F150 EcoBoost, 07 Ranger, 01 F150 XLT, 98 F150 XLT, 96 Thunderbird LX, 95 Escort GT, 86 Mustang LX, 82 Mustang

GonzoWerke
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Posts: 102
Joined: Wed Nov 07, 2018 2:20 am
Vehicle: 2013 Police Interceptor

Re: How I made my P0430 go away...for $15.99.

Post by GonzoWerke » Sat Feb 16, 2019 9:47 pm

Then I don't know. I buy wherever the price is right. All gas is the same. The supply system is fungible, meaning all the refineries put into the same national distribution system. It's at the local tank farm where the additive package is added that makes it Shell, Exxon, or Sheetz, etc.etc.etc.

Jake_Blues
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Joined: Sun Jan 27, 2019 8:25 pm
Vehicle: 2013 Police Interceptor Sedan

Re: How I made my P0430 go away...for $15.99.

Post by Jake_Blues » Sun Feb 17, 2019 8:02 am

it may be coincidence - no light for the first few days until a few hours after i put Seafoam in the tank.

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