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  #13  
Old 03-22-2011, 04:00 PM
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Re: Oil change and PCV valve change

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Originally Posted by dmsfun View Post
RP makes the engine run rougher, as you have seen several here also attest to. It is also more costly than a top quality synthetic. It is marketing BS claiming it is superior. If it was any good, then why do no Nascar, Indy, F1, ALMS, Rolex series, or any other professional road race cars use RP ?
Two words: sponsor money.
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  #14  
Old 03-22-2011, 04:04 PM
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Re: Oil change and PCV valve change

Greg, you're not alone.. I ran RP on my last oil cycle and went back to Mobil 1 and I'm a lot happier.
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  #15  
Old 03-22-2011, 04:06 PM
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Re: Oil change and PCV valve change

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Originally Posted by blackpepper View Post
Greg, you're not alone.. I ran RP on my last oil cycle and went back to Mobil 1 and I'm a lot happier.
I ran RP on my WJ....immediately switch back to Mobil 1. Now I'm running Mobile 1 in my WK.
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  #16  
Old 03-22-2011, 04:11 PM
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Re: Oil change and PCV valve change

I just think RP works great for iJeep because he has a 3.7 without MDS like me. Lol. I bet Royal Purple does run really well for the 3.7 and not the HEMI.

And the "sponsor money" comment was so true.

RP doesn't seem to be best with the 5.7
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  #17  
Old 03-22-2011, 04:18 PM
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Re: Oil change and PCV valve change

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Originally Posted by lll2for3lll View Post
I just think RP works great for iJeep because he has a 3.7 without MDS like me. Lol. I bet Royal Purple does run really well for the 3.7 and not the HEMI.

And the "sponsor money" comment was so true.

RP doesn't seem to be best with the 5.7
Good point!
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  #18  
Old 03-22-2011, 05:05 PM
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K I think we all agree. If ya got a hemi or a 4.7 stick go mobile 1 or other besides RP.
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  #19  
Old 03-22-2011, 06:53 PM
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Re: Oil change and PCV valve change

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Originally Posted by gregums79 View Post
Nice!! I'm in Woodland Hills, which is really close to Chatsworth. The speed limit is def still 3-5 mph but pretty much all the time!!! Hahaha what made you move??
I had had enough of the "rat race" and had the opportunity to bail, so I did. Been up here 20 years now, and never even one regret. My folks used to own property in Woodland Hills back when it was all walnut groves. Sure is different now.
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  #20  
Old 03-23-2011, 01:35 PM
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Re: Oil change and PCV valve change

I'm at 55,500 miles (2005 WK 4.7L) and the check engine light came on. It gave me a DTC Report of P0406 which is Exhaust Gas Recirculation Sensor A Circuit High = EGR position sensor input above the acceptable voltage range.

I'm thinking this means it's time to replace ECR Valve. What does anyone/everyone think?

Replace PCV too at this mileage?

Do we need to use OEM parts (or certain brands only)?

Does anything else need to be replaced at this time?
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  #21  
Old 03-23-2011, 02:18 PM
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Re: Oil change and PCV valve change

I HATE ROYAL PURPLE,if you like mobil one try ams oil even better,alot smoother better mpg,rp is great for diff fluid and tranny fluid
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  #22  
Old 03-23-2011, 07:51 PM
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Thumbs up Re: Oil change and PCV valve change

Quote:
Originally Posted by Chaoul1 View Post
Let me know when you change the EGR Valve! I have to change my PCV Valve asap! Where did you buy your PCV Valve from?
You can get one at NAPA for 28 bucks. I changed mine with spark plugs and oil jeeps running grea. Next I am going to clean the intake it was covered with oil that got pass my pvc valve. look into your intake there is alot of oil in there.

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  #23  
Old 03-23-2011, 09:01 PM
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Re: Oil change and PCV valve change

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Originally Posted by ChrisWk View Post
You can get one at NAPA for 28 bucks. I changed mine with spark plugs and oil jeeps running grea. Next I am going to clean the intake it was covered with oil that got pass my pvc valve. look into your intake there is alot of oil in there.

ChrisWK
How hard was it to do your spark plugs?
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  #24  
Old 03-23-2011, 09:12 PM
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Re: Oil change and PCV valve change

Greg, it wasn't hard at all. Just make sure you have a good amount of different extensions! Those will help a lot (Including the spark plugs in the back). I had to only remove I think the fuse box, but that wasn't hard . It took me a good 1 hour taking my time.
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