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I had the above problems with a ( brand new) but defective bad plug,old wires and a coil issue...Anymore to have a new set of plugs and wires and coil and module is essential on these cars if you ask me... If you do the above you just eliminated a ton of problems and gremlins down the road if...

I have a scanmaster and just checked the above again..... .44 volts at idle which is good and wot is within range as well.IAC was 22 and continually dropping the warmer it got... so this time it did NOT idle crazy high...why does this happen erradically?Sometimes extremely high idle in park...

I ve got rid of all the gremlins on this thing except this thing idles at like 3000 rpm in park...sometimes goes down to normal-sometimes doesnt... No codes and dont believe a vacuum leak Is it the tps?I need to figure this out...Help a rookie out!

Bought a wiring harness from..better than described...Solved all my issue.no buckin,no poppin,no more codes...Good quality deal!Would use again!

I need the main engine harness from the motor to the ecm for an 86 to 87 GN..Reasonably priced with shipping to 16415....No cut wires or bad or broken plugs etc...thanks Nate

Had a recent no start problem...Changed the ignition module and coil.still no start..swapped out to a different computer that I got with the gn..started right up but seems to sound different and a lower slower idle...and have had a code 42 and engine light on ever since...Tried 3 different coils...

thought these things would be a dime a dozen...glad i sold them and olds' ones for $15-20 years ago:confused: cant believe these would be hard to come by...

need a known good stock ecm for 86 to 87 gn with no corrosion or missing pins...shipping to 16415(prob. can fit in the flat rate usps box)thanks...let me know what you have...im near Erie Pa

#4 first...thanks Turbobob!

replacing ignition module on this gn...does the 3 blue (drivers side ign module wires) go from the module to coil #4 first then coil 6 and then middle or vice versa? not sure if i screwed the order up or if it matters..im guessing it matters...any help ASAP greatly appreciated!!!!

Switched to a new gauge...this new gauge reads 5to 6 pounds lower fuel pressure than the old one...I had this new in the packaging as I suspected a gauge problem last year...installed and adjusted to 46 and 52 with line off.I am a little higher than the 43 or 44#s as I was trying to figure out...

16 to 18 ish pounds of boost..turbotweakchip.th downpipe. everything else stock except hot wire kit and k and n filter.walbro pump. Was testing some different fuel pressures and at 52#s of pressure got the vac to drop to 46 with line on....is that ok?a lot less backfiring and can get to 3/4...

anybody know where I should start looking?Walbro pump new last year with 50 miles.Kirban regulator and gauge..aprox 46#s at idle.with vac line on or off pressure doesnt change?Flicking the throttle in park shows the gauge going down to 40#s.. Im lost...any help appreciated...I dont have an...

Good call Evil and thanks ! no more code and no check engine light... Next problem is severe backfiring under WOT and a bunch of black smoke out the exhaust.Also with vacuum line on my pressure doesnt drop at all.I read it should drop 10 psi..What do you guys think that is? also if I flick...

got a code 23 from scanmaster(air temp sensor low)...and under wot bucking and popping... anyone know where that underhood diagram of sensors and wiring is for an 86 gn and also a link to all of the tuning stats are for an 86 gn?also isnt that the sensor thats plugged into the end of an...

who do you recommend that sells an entire fuel gauge kit from the fuel rail to the cowl that I can see under WOT?

thanks for the quick reply!mine is correct then...

This should be an easy one for you guys.Does the main fuel line from the tank go to the passenger side rail 1st or to the regulator 1st.While this was answered for me once just seems backwards.Seems to make more sense if the main line goes to the regulator, then adjusts the pressure then on to...

dont get pui.Mine are terrible.they are larger than stock,all wrinkled and the seat cover shop owner said they are the worst he's ever seen in 30 yrs of doing upolstery.Ohh and also they are way off from the light factory grey and I dont mean from the stock seats being faded either..

ttt anybody?-fuel feed is to the fuel regulator 1st right?has to be.anybody know what size lines are an exact match for fuel pump,return and regulator?