Update: 4/23/15: Rocket fuel. Just wanted to say that I have now treated all three of our autos with the Engine, trans, and power steering treatments Read more

Brad T. Chevy Colorado Thursday, April 23, 2015
2006 Chevy Equinox

Hello John,

My Cerma Story #1) Treated a Chevy a week ago. Someone very close to me, I cannot disclose who, got out of the car today and removed some Read more

Ian Roe 2006 Chevy Equinox 6 cyl with 88,000 km Thursday, June 9, 2011
2015 Volvo Day Cab

I just wanted to tell you about my Volvo semi that I drive. It is a 2015 Volvo Day Cab with A/T. It now has 39,500 miles on it. I treated it at about Read more

Chad S. 2015 Volvo Day Cab with A/T Tuesday, September 29, 2015
2015 Denali 2500

Amazing!! This stuff really works as described and then some. I used it three 2015 GMCs (Denali 1500, Denali 2500, and Yukon XL). Smoothed out the idles Read more

Amazon Customer 2015 Denali 2500 Wednesday, December 23, 2015
Mercedes Benz '91 560 SEC

CERMA IS THE REAL DEAL!!

I heard about Cerma oil treatment from a friend who had amazing results with a sluggish high-mile Acura minivan. I treated Read more

Patrick M. Mercedes Benz '91 560 SEC Monday, April 6, 2015

I have gone through 1000 miles of engine treatment+Transmission fluid change followed by 4000 miles of Cerma oil ->Filter change -> then another 1000 miles. Read more

Sungyoung Kim 1998 Ford Mustang V6 168,000 Miles Thursday, June 12, 2014
1991 Ford Tempo

I am a journeyman machinist/machinery mechanic automotive enthusiasts with 40 years of formal and trade experience.presently I am rebuilding/upgrading Read more

Bill 1991 Ford Tempo Thursday, September 15, 2011

Hello,
Just want to let you know of the positive results I have had so far: 2300 miles since Cerma was added to crankcase; oil consumption has been cut Read more

Scott A. 2002 Nissan Altima 2.5L Wednesday, June 11, 2014
2002 Mack Semi

I own a 2002 Mack semi. My truck started using 2 to 3 gallons of oil per week. I was told I needed to rebuild the motor, rings, sleeves, rod, and main Read more

deliveredtrucking@ 2002 Mack Semi Thursday, April 23, 2015
Ford F150

Best product yet. I am a contractor. I put a lot of miles on my trucks -- about 500,000 on one truck that I bought brand new 4 years ago. I put in Cerma Read more

Colt J. Ford F150 Wednesday, January 29, 2014
1993 Mustang Motor in a 1993 Miata

My car has a 1993 mustang motor and 5 speed transmission in a 1993 miata. I put both the engine additive and the gas treatment in the car at nearly the Read more

J. Dwight 1993 Mustang Motor in a in a 1993 Miata Saturday, October 5, 2013
Pick-up Truck

I recently stopped in at my local gas station to fill up like I do twice a week when I met the attendant (Ken Briscoe). We got to talking passing time Read more

C. Green Truck with over 105,000+ miles Tuesday, August 31, 2010
2004 Ford F350 6.0

Works. 'Lil spendy but damn worked. Bought In april 2014 used in my '04 6.0 F350 4x4 an put some in my dad's dodge '05 3500 5.9 he even commented + on Read more

D. Watson 2004 Ford F350 6.0 Tuesday, March 8, 2016

Did a test session earlier, the initial run since adding the CERMAX 5W40 oil plus the manual transmission treatment.

First thing I noticed when shifting Read more

Veloster Forum Member Hyundai Veloster Thursday, February 6, 2014
1990 560 SEC Benz

I never bother writing reviews, however, this product is FANTASTIC!! 560 SEC Benz with 113k miles, about 30k since valves...UNBELIEVABLE!! Cold start Read more

Pdidheon 1990 560 SEC Benz Monday, March 23, 2015
2006 Jeep Grand Cherokee

I tried Cerma in my truck first and after 1 1/2 months my gas mileage went up by 3 mpg . My 2006 Jeep Grand Cherokee 3.7 L went from 14 mpg to 17 mpg Read more

Seth W. 2006 Jeep Grand Cherokee 3.7 L Tuesday, May 5, 2015
Chevy Tahoe

I came across the Cerma product when we were looking for metal protection from our hydrogen units in gas burning engines. I first tried the Cerma in my Read more

Jeff-Louis 97' Chevy Tahoe wtih over over 185,000 miles Tuesday, August 10, 2010
Mack 350

This stuff is crazy good although I need to replace injection pump on my Mack 350. This product made the truck run the best it has done for a year. Almost Read more

Peter P. Mack 350 Sunday, July 24, 2016
Jeep Wrangler

Cerma makes everything run smoother. I was skeptical of Cerma at first, but decided to try it. For example, my wife owns a 2000 Jeep Wrangler. When Read more

Rich Wilson 2000 Jeep Wrangler and 2005 Honda VTX Wednesday, August 18, 2010

Purchased a 1990 Buick Reatta with 143,000 miles on it. It runs great and can only run better with the Cerma products I just purchased (Cerma Engine Value Read more

Raul Y. 1990 Buick Reatta Friday, June 10, 2016
Veloster

I'm only 2 days into the treatment with 22k miles on the odo only 100 miles driven since treated and already noticing a big difference when driving it Read more

Sly4c Veloster Turbo Tuesday, February 23, 2016
Toyota RAV-4

Hi,
Well I have been using Cerma in my 2002 Toyota RAV-4 with 130,000kms.
And what a difference, my gas mileage has improved 15-20% avg, the engine has Read more

Nick 2002 Toyota RAV-4 Tuesday, August 31, 2010
2003 Ford F250

The best. Powered up my 12 year old truck -- it feels like new. I have a Ford F250, 2003 with 200,000.00 miles and in good shape, but after I used this Read more

Giovanni 2003 Ford F250 Thursday, January 21, 2016

Dear Great Cerma Product, I have just used the transmission and engine treatment. So Far So Good. I notice an improvement with the transmission, and the Read more

Robert F. Chevy 1998 Venture LS Monday, December 21, 2015

Just received the engine treatment and it works perfectly :)

My car has more torque, sounds great it's also smoother running.
My vtec kicks @ 6k and Read more

James T. (UK) 2003 Type R Honda Civic EP3 with VTEC Engine and 114,500 miles Monday, March 10, 2014

Thanks a lot for explaining in detail how Cerma STM-3 works. I'm going to purchase & use one. My vehicle uses 5W-20 engine oil. Its engine has a Multi-Displacement Read more

John Flood Chevy Silverado 6.2 Liter Thursday, August 28, 2014
2004 Ford Edge

Hello Jim,

I would like to thank you for introducing me to Cerma and to such a quality product.

I am a certified Automotive Service Excellence  Read more

Robert Wilder 2004 Ford Edge Tuesday, June 5, 2012
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