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WOW, that is even more fascinating. So you are telling me as long as I don't have O2 sensors it will run in an even different mode and be fine? I could even run a cat and it would be fine, and work,

......................... > If you have no O2 control at all, the ECU falls back on a speed density strategy and slowly increases c/o % as rpm's rise and TPS reports increased throttle openings. If I

Todd, Check the passenger side of the engine, near where it mates to the tranny, there should be a serial number there. What is the tenth digit? It should be a letter. This letter corresponds to the

Both 97 and 99 are OBDII engines. If you got engine, harness, ECU etc from same car there is nothing to be concerned with You can find out for sure by googling ECU part# Leon

Hi all, I apologize ahead of time if this is easy, I looked but I am having trouble finding out exactly what engine I have. I came across a cheap, very well running 2.2 with just over 100K. I had to

Thank you, Don. Most excellent description! I am intrigued by this discussion and although I have no intention of hijacking his thread, I will say I do not currently have a cat or O2 sensors on my

I have been a tech for 45 years and yes I see eroded exhaust seats and valve from lean running 'under load'. The valve seat is eroded by the long burn time of mixtures when lean conditions exist.

I get similar figures on the highway as I do around town. On the highway I cruise at around 60mph if not a tad faster. I'd like to have a taller 3rd and 4th but have my doubts the syncro will be able

Eddie- Is your check engine light hooked up? If so, is it on? Are you getting any codes from code readers? Don- I understand the principles and possibilities behind what you stated but I am curious if

yea at 70 mph I'm lucky to get 16 mpg more like 15 mpg (30" tires,6.17 r&p , stock gears , 87 syncro westy 2.5 suby ) 23 mpg @ 45 mph , 21 mpg @ 55mph ,17 mpg @ 65 mph

I recently (about 300 miles ago) installed a "constant-pulse speed sensor" from enginewiring.com. Cost about $40 and has much improved the operation of my OBD1 EJ22. The dude on the phone was helpful

Folks: I've attached a file describing Leon's method of wiring up a check engine light and a variation on vss installation on converted vans. Contents of the file are also inline below. This

16.8 mpg at what speed? I get 21 mpg in my syncro westy, 2.5L '03 Subaru .... if I go 55 mph. Faster than that and my gas consumption goes up pretty quick. I do have a taller 3rd and 4th gears and 29"

This might be helpful in describing a method of using your old vanagon hi-pressure oil sensor wire to power your ecu lite.....

I am not very familiar with the SVX, but I can tell you my approach putting an EJ22 into my '91. The ECU turns the CEL on by supplying a ground. This means that the LED will be connected to +12v (thru

Have been driving my syncro subaru conversion for about a year now thanks to the many helpful people on this forum:). Thing is I believe my mpg is pretty poor especially after reading up about some of

Eddie...your running no Cat' in an OBDII engine management system? The OBDII with Cat' requires a primary and secondary O2 sensor to monitor combustion efficiency.. If the secondary O2 was after the

I was wondering about installing an LED in the position where an OXS light used to go in pre 87 Vans for the Check Engine Light for my 91 Van with SVX motor. I followed the track back and it dead

I've been running my '97 EJ22 from an Impreza (single port) without a cat since I did the conversion. it has two O2 sensors installed. The van always has a gassy smell from the exhaust, like its

I've been using Dan Fleming's VSS with no problems whatsoever for just under 20,000 miles. Easy installation if you follow Dan's instructions.