Snail_SS

iTrader: (3)

Well like tittle say anyone have a waveform for a map sensor in the intake manifold? I got one today seem kinda weird to me. I will be posting a pic as soon as i can. Also anyone have a weird ticking sound coming from around the intake manifold area. There is the obvious timing chain sound i mean one that sounds like a clock ticking.

Snail_SS

iTrader: (3)

I backprobed the map sensor signal using a Pico scope and got that wave form. Reason for asking for that ticking sound is because everytime it happened that would come up on the waveform (in different spots tho freezed the waveform to take pic). The sound has always been there since i got the car.

Snail_SS

iTrader: (3)

Or ok anyone know what are the typical symptoms of a bad map sensor on a lnf? Or how to test it if its still good?

SSlobalt

The ticking is the hpfp. If you are talking about the TMAP, two good signs of it not working are positive boost pressure readings on the gauge when revving in neutral and a loss of boost signal on the RPD.

Snail_SS

iTrader: (3)

Actually just yesterday i did a pull and after i got down the freeway my rpd said it has no data available on the boost. Also weird thing im at 23 psi and it only went to 21 was kinda chilly last night

Joe09SS

iTrader: (1)

Mine says boost not available when I get on it sometimes it just doesn't read it right away.. It comes back shortly.

Snail_SS

iTrader: (3)

Well after that happened i left the car for a good 4 hrs went back said the same thing and then after driving a bit it came back but had never had that happened before

Joe09SS

iTrader: (1)

Yeah it's happened to me. Never really put any thought to it. I mean aftermarket tune with more psi boost its bound to say that sometimes

Snail_SS

iTrader: (3)

Yeah your probably right and i am on the stock map sensors

KMO43

I had no data on my rpd I upgraded to the 3 bars now I haven't had a problem buy the sensors from CED and add to the tune

Snail_SS

iTrader: (3)

Yeah i want to buy them but my tuner charges me 75 to update the tune so i would rather just buy everything im missing then retune

KMO43

do you have your own cable?

Snail_SS

iTrader: (3)

Nah i wish i did tho

KMO43

Too bad I'd just send you the changes

Snail_SS

iTrader: (3)

Is that all i need the cable for someone to take a look of the tune i have atm? And if it is how much one run for?

KMO43

What you need is just to update the sensor settings with HPT the tune can stay the same

HPTuners - HP Tuners #HPT-MPVI

Snail_SS

iTrader: (3)

So he wouldnt have to use a credit to add the new setting? in a way he wouldnt really have to charge me if he doesnt require to use one

blueLNFftw

iTrader: (16)

You only use 2 credits one time to "unlock" the car. After that you do not pay for anything you do to that car. Obviously the tuner may charge you for his time, but it only costs $100 to unlock your car and then he always has access to it.

Snail_SS

iTrader: (3)

Ohh then he has it unlocked already only thing is i have to drive like 1hr 30 to get to him and still pay to get it done lol so i would just rather buy intercooler and pipes and the sensors then get everything done at once

Snail_SS

iTrader: (3)

Got a CEL today still need to check it tho. Also what would cause a service traction light to come on and then throw me in to limp mode