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Don't know how. 1 year old NGK BCPR7 plugs fouled with about 4 hours of total engine run time... Put some champion coppers in it (I don't like champion that much, but they were new and available on christmas eve). Now I can have a merry christmas. Thanks for your input everyone. Happy...

All 3 coils are at .4 ohms (.3-.5 TSRM) 12.28V at all 3 Coil plugs Infinite resistance to ground at all coil terminals (no shorts) 12.28V at the ignitor 151-153 ohms on all 3 pickup coils in the CPS (within TSRM spec) Still haven't gone to buy spark plugs. Any ideas?

I always watch my tach while I crank. And it always moves while I crank : ( I don't think that is my gremlin. Your coil output info is not what I originally thought you were describing. thanks for clearing that up. Tomorrow morning I will do this: 1. Go buy new plugs, and wires if...

I see. and for anyone who finds this thread later, here is the diagram I was looking for... with the little initialisms explained. Otherwise the same as above http://www.cygnusx1.net/Supra/Library/TSRM/MK3/manual.aspx?S=FI&P=31

Thanks. I was trying to be judicial with my words and give enough info. I had no idea wasted spark systems had different spark intensities as you describe. So the spark at TDC exhaust is lower voltage than the TDC compression spark? For the spark testing, I was just putting the crank timing...

The wires are well insulated (Like they haven't shocked me yet). I don't think they are the culprit since my problem came a little sudden for it to be that. But if they have them at the auto parts store, I will probably buy them just to eliminate them. I am NOT positive the CPS is set...

89 7MGTE, stock except exhaust + FMIC. Installed in a 1989 4runner. Has about 10 miles and an hour on a rebuilt engine. I made new strong grounds for the head and the ignitor, and they measure fine. It ran beautiful (at 50F to 80F ambient), with no codes, and then I did the following before I...

That is very useful. I thought I remembered a huge list of exceptions to the 4 charicter rule... like all of toyota's codes (dtc codes), and then some other initialisms (BOV, FPG, IAC, etc). But I will add wildcards to be sure next time. Now for a more difficult thread...

Just what I asked for! a good flaming, then what I need. I did use the search. I seached for "ECU pinout", then "ECU diagram", "ECU pin diagram", "ECU wiring diagram", and then I think I gave up. : ) congradulations on your intoxication. bwahaha

I'm looking for a diagram that describes the loacation of each pin on the ECU... I have seen it bwefore. I thought it was even on the cygnusx1 page... It is like a picture of the ECU pins, and each one has the name like +B, I, Ig, and then below is a list of what all the initialisms stand for.

89+ 7MGTE ECU pinout. 5 Speed. I am giving up on the search feature. Can't find the damn thing anywhere. I have a Code 11 and I need to jump +12V to my B+ pin to see if that is causing my "almost start" problem. Thus I need the pinout for my ECU. Thanks.

Well I messed with the timing a bit. No longer sounds like 12 to 1 compression... I need to find a timing light to bowwow. Thanks for the help guys... I am going to time it another day. I need some dinner:naughty:

well thanks for the kind words : ) It seems to want to "run away" when I start it. Can ignition timing cause this? Also, cleared codes, only code 51 now (I don't have AC, and I believe the diagnostics is letting me know).

It's alive. I was doing a somewhat thorough diagnosis after I found the code 14, and the ONLY thing I did was make a series of checks, and install a ground wire to ground the case of the ignitor (it was not very well grounded before, if at all). My tach is not working, and it sounds like it...

I got the code 51 does not exhist info from this TRRM:http://www.cygnusx1.net/Supra/Library/TSRM/MK3/manual.aspx I will do some searching to find out what a code 51 is. My ignitor is rubber insulated from the inner fender for vibratory protection, but I have a ground wire going from it to the...

I don't know what this message means from "SWITCH SIGNALS" on.... The engine will crank, so I am sure the clutch switch is working, I don't have AC, engines will run with the TPS unplugged... please let me know what you listed all that stuff for. I am currently going though and testing all the...

Checked codes, 14 and 51. code 14 is igniter/ignition coil/ECU code 51 is not a valid code, but I checked it like 7 times. It is 51.

I finally got my swap finished to point where I can start it, and it wont start. Details - all stck 89 7MGTE, ran when pulled from car, rebuilt, installed in 4runner. Original ECU+harness. I have no fuel or spark. I have checked for power with the ignition set to "ON" at the following...

http://www.egauges.com/vdo_acce.asp?Subgroup=BSP_OTOD found it on the search EDIT: $19.99 plus $9.82 shipping, ouch! how much is an autometer gauge again?

Did you have your crank inspected? or did you do it yourself? (I do not mean plastigauging, I mean runout on the crank bearing surfaces) Make sure the bearing surfaces are CLEAN and that they are lubed with engine assembly lubricant. Plastigage the crank with the oversize bearings if you...