North American Turbocoupe Organization



Running Rich...
1988turbotbird Offline
Senior Member
#1
what all could cause a rich condition in these cars? I'll tell you what I have new-02 sensor, injectors, fpr, coolant temp sensor Could the MAP sensor or VAM cause a rich condition? Also, how many bar does the stock map sensor sense? I know 1 bar is 14.7 psi, and 2 bar is 24 psi I think...will the map sensor read 20 psi? I may have to go to a 3 bar map sensor...Im stumped
88 TC/HX35/CAI/3" exhaust/Wilson MS2/Beanman header/Head Work/Laramee Cam/Gillis boost controller/3G alt/Walboro 255 fuel pump/BOV/CHE rear control arms/1" lowered/poly. bushings/Chuck W mounts/6 puck clutch/Pro 5.0 shifter/AEM wideband/Tuning MS..
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Pete D Offline
Administrator
#2
The TCs use a BP sensor, not a MAP, The BP open to atmosphere, so it doesn't see boost.

Have you pulled the codes or run fuel pressure checks? How do you know it's running rich? There are "how to" articles on both in the Technical Articles, link at the top of the page.
Pete Dunham


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tr_guy79 Offline
Senior Member
#3
You do not have a MAP sensor. What you have is a BARO sensor. Same basic part, but it reads atmospheric pressure, not manifold pressure. What injectors do you have?

How rich is it running? When does it run rich?


(You type faster than me Pete Big Grin )
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'87 - Range Roller 4* adv / 50 trim t04e / Ported E6 / Gutted Knifed intake / Stinger 3->2.5" / Adj. Cam Pulley / Warlboro 255

To Do: PIMP/MS2, FMIC, Bigger Inj
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boosted85 Offline
Senior Member
#4
how do u know its running rich?
Complete custom downpipe to tail pipe 3in exhaust, ranger cam, cran double valve springs, stock dsm bov switchin out for a good aftermarket, cone filter, fmi 2.5in piping, walbro 342hp, aeromotive fpr, fuel pressure 45 base, 17in cobra R's, steel braided oil feed line, 96lb injectors, megasquirt 1 v2.2, msd blaster 2 coil 86 t3 48, innovative lc1 wideband,
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Robert Camp Offline
Posting Freak
#5
1 bar = 1 atmosphere = 14.7
2 bar = 2 atmosphere = 29.4

At sea level and standard temp that is.
Robert Camp
'86 Medium Regatta Blue TC, 5-speed, original owner.
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