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Pressure Pro readings wrong

Today after finishing the tv upgrade I went to ck the air pressure as the pressure pro indicated they were all low.  Got out the new truck style pressure gauge to ck.  Put some air in the front to 100.  Cked the back and they are at 92.  Pressure pro saids 88 and 95 on the front when the gauge saids 100,  Same for the rear gauge saids 92 and pressure pro saids 82 or 81. unplugged the pressure pro and plugged back in.  waited for new reading to be sent from tires /  Same readings all wrong according to the gauge.  Any ideas??? It was reading low when I left the storage warehouse, but did increase as the tires got warmer so the pressure pro is reading something?? Tks DAN
Dan & Shirley Stansel
2002 U295 4020 AGDS Build#6054
Towing Buick Enclave & M &  G Braking
Emerald Bay, Lake Palestine, Texas
MC# 16650

Re: Pressure Pro readings wrong

Reply #1 –
Dan,

Run your gauge by a large tire dealer and check against their calibrated gauge.  Most have a good fixed gauge built into their shop air system.

I have found our PressurePro readings to be within one-two pounds of both my good quality truck style gauges.

Brett
Brett Wolfe
EX: 1993 U240
Moderator, ForeForum 2001-
Moderator Diesel RV Club 2002-
Moderator, FMCA Forum 2009-2020
Chairman FMCA Technical Advisory Committee 2011-2020

Re: Pressure Pro readings wrong

Reply #2 –
Quote
I have found our PressurePro readings to be within one-two pounds of both my good quality truck style gauges.

So are my PP readings. Have been (accurate) for over 6 years.
Don Hay
'92 Grandvilla, U-280
The Hayfever Express
Build #4055
'97 GEO Tracker
Life is like licking honey off a thorn.

Re: Pressure Pro readings wrong

Reply #3 –
I will get the gauge cked.  You are right as the PP has always in the past been right on.
It is either the gauge or the PP.  Will start with the gauge.  Tks DAN
Dan & Shirley Stansel
2002 U295 4020 AGDS Build#6054
Towing Buick Enclave & M &  G Braking
Emerald Bay, Lake Palestine, Texas
MC# 16650

Re: Pressure Pro readings wrong

Reply #4 –
OK got the gauge cked and it is correct.  So the Pressure Pro is incorrect or a sender is stuck. At $50.00 each these senders should be able to trade in or rebuild.
Does anyone know the support line to Pressure Pro or a good person who reps them who could answer my questions??  Tks DAN
Dan & Shirley Stansel
2002 U295 4020 AGDS Build#6054
Towing Buick Enclave & M &  G Braking
Emerald Bay, Lake Palestine, Texas
MC# 16650

Re: Pressure Pro readings wrong

Reply #5 –
Dan,

Call Tim Lazaroe of RV Cams in Baton Rouge at 225.261.7815.
Rudy Legett
2003 U320 4010 ISM 450 hp
2001 U320 4220 ISM 450 hp
1995 U320 M11 400 hp
1990 Granvilla 300 hp 3208T
Aqua Hot Service Houston and Southeast Texas

Re: Pressure Pro readings wrong

Reply #6 –
Now I am wondering if the batteries in the senors are getting weak?  replace how??  DAN
Dan & Shirley Stansel
2002 U295 4020 AGDS Build#6054
Towing Buick Enclave & M &  G Braking
Emerald Bay, Lake Palestine, Texas
MC# 16650

Re: Pressure Pro readings wrong

Reply #7 –
Dan,

Ask that question of Tim at RV Cams.  I think he will share how to swop them with Pressure Pro for $25 per unit.
Rudy Legett
2003 U320 4010 ISM 450 hp
2001 U320 4220 ISM 450 hp
1995 U320 M11 400 hp
1990 Granvilla 300 hp 3208T
Aqua Hot Service Houston and Southeast Texas

Re: Pressure Pro readings wrong

Reply #8 –
Rudy:  Tks for the info.  Hope to see you again soon DAN
Dan & Shirley Stansel
2002 U295 4020 AGDS Build#6054
Towing Buick Enclave & M &  G Braking
Emerald Bay, Lake Palestine, Texas
MC# 16650

Re: Pressure Pro readings wrong

Reply #9 –
Rudy:  RV Cams was very helpful.  Gave me Pressure Pro support phone #.
800-959-3505.  They want me to take the sensor off and leave off the tire for 2 minutes.
They think I did not give it enough time to reset. I will try this in the next couple days as the coach is in storage.  The batteries get weak they will just stop sending completely so no signal. Support says the pro should be accurate. I am to call back if still a problem.  Tks DAN 
Dan & Shirley Stansel
2002 U295 4020 AGDS Build#6054
Towing Buick Enclave & M &  G Braking
Emerald Bay, Lake Palestine, Texas
MC# 16650

Re: Pressure Pro readings wrong

Reply #10 –
Dan,
I do not know if you are using a laptop for VMspc, but I have encountered issues with my TPMS (not PP) at times.  I always placed my unit on the left side of the dash and all was good.  I then moved it to the center dash next to the laptop and the readings would go crazy after about 20 minutes.  I called customer service and they stated my repeater was bad and they sent me a new one.  It did the same thing.  My wife then informed me I moved the unit from it's usual spot and maybe that was the issue.  I'm sure to much RF from the laptop interfered with the readings. 



Just a thought.

Brad

Brad

2000 U320 4000

Re: Pressure Pro readings wrong

Reply #11 –
Brad:  I do keep it in the middle of the dash above the coffee cup tray.  No laptop but I plan to add.
I will move it anyway to see if there is something there interfering with the unit.  Tks DAN
Dan & Shirley Stansel
2002 U295 4020 AGDS Build#6054
Towing Buick Enclave & M &  G Braking
Emerald Bay, Lake Palestine, Texas
MC# 16650