Anutternutter

A quick question for you clever folks. My standard map sensor has died on my 1990 4x4 saff cosworth. It's running a stage one tune. Can I use a 3 bar map sensor to replace it or does it have to be another 2 bar item? Cheers!

martysmartie

iTrader: (1)

No, it must be 2, as the scales are different.

Martin

Anutternutter

Thanks for the reply Martin. I'm glad I checked! Cheers again, Matty

costina

iTrader: (1)

Do not use the aftermarket ones from brands hatch etc.
WHY
I had a long conversation with a chap at webcon he informed me that they tested those and would not sell them due to poor quality. And weber marrelli will not be making anymore and have scraped the tooling.😕

So unless the likes of Stu at MSD can come up with a bosch replacement and can map to suit we are all fooked and will have to go aftermarket.

Paul

Anutternutter

Bugger, I've just ordered an aftermarket one. Fingers crossed eh? 😳

Adam-M

From brands hatch performance? I've read lots of bad reviews unfortunately

Anutternutter

The one I've bought came from an ebay seller called motorpartsworld. It says it's a direct replacement. For £25 odd it's worth a punt but I'm not totally convinced. I'll report back with a verdict as soon as it's arrived and I've fitted it.

turbotrev

I went to a 5 bar sensor and are relatively cheap in comparison to the 3 bar ones, but your car will need remapping

Cheers Paul

Anutternutter

I'm hoping to avoid a remapping situation if at all possible. If this one doesn't work I'll look out for a second hand original one I reckon. Cheers, Matty.

lacey

Where did you get the 5 bar one from mate ?

Cheers

martysmartie

iTrader: (1)

You cannot tell, just because it runs means nothing, the only way to tell is to compare the scales.

Martin

turbotrev

NMS supplied and fitted it mate as I had a load of work done as well as some mapping

Cheers Paul

Anutternutter

Cheers for the info Martysmartie. Must admit though, running at all would be an improvement on my current situation 😂.

costina

iTrader: (1)

Martin is correct only way i would run a aftermarket sensor would be with a wideband afr gauge but its still a lottery.

Can u afford a 2k rebuild on your engine if it fouls up?

Anutternutter

What would you folks suggest is my best option? I can't find a new genuine one, a second hand genuine one is a gamble as it may be duff and aftermarket items are a gamble too.

Jan300

I using 3bar map sensor from Brand Hatch and its working good.The scaling is good and I also check with wideband lamda meter.Other copies you find in internetshops is normaly shit.

Anutternutter

So, mixed reviews on the brands hatch sensors. Good to hear yours checks out Jan300. What's the best way to check the scale on the sensor? I'd like to check the one I've ordered when it arrives. Better safe than sorry. Cheers 👍

Guinnless

So you have tested the others?

Jan300

Yes I have tested several.

costina

iTrader: (1)

got any pics please mate?

KW-rscos

You can buy my 2bar map sensor, came off my 89 2wd all working fine, only selling as gone to stage 3...

Anutternutter

How much do you want for it buddy? To check, it is the same as a '90 4x4 cos (APS02/03)? I believe it is. Cheers

KW-rscos

£25 posted? Yes the number is the same, Thinking about it at my storage unit I have a 4x4 2bar from my 92 4x4 saph!

Anutternutter

Cheers KW-rscos, PM sent. 👍

Anutternutter

Can I buy it then buddy? I've not heard from you yet? Cheers