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CO is usually 1.8V on a lambda car. It only comes into play in limp mode or if you select a non-cat tune. Either way, both CO and Lamba fuel trims only work on those low RPM/Load cells, it progressivly moves to open loop, based on the fuel tables alone as those criteria increase. You could also...

Does the engine SOUND like it should, with compression? Hard to hear, on a V8, compared to a 4 cylinder anyway. The timing light should get triggered by the spark and if you check the timing while cranking, will tell you if it's timed roughly right. The advantage of the inline tester, is that...

Check for exhausts leaks - if it's sucking in air, the ECU thinks it's running lean (too much O2 in the exhaust) and will add fuel trim - hence the +100, maxed out. Then it starts running super rich.It doesn't take much of a leak, either. Once the Lambda codes are triggered, it defaults to the...

Quite possible. A compression test should show a difference there. I like videos - to see if things sound right too. So often, people don't notice some detail, which helps pinpoint in issue. Side story: I came across a Nissan 2.4 one day, that the headgasket was so badly blown between...

Can you link a video of it cranking?

Way off track there. 1) the injectors timing is not relevant - they are in fact not "timed" at all and fire in 2 batches based entirely on the spark timing signal to the ECU. When starting it fires both batches together, then moves to alternating firing. The first batch-fired side isn't even...

'specially since it's probably one of the Isuzu 3.1 from the Bighorn/Trooper, with the chrome bore issues???

Hahaha. That's probably what sealed the deal! :D Years ago, I managed a family owned rental fleet of about 120 vehicles... Just remember... People are strange: some of the stuff you'll be dealing with will make you wonder how we survive as a species o_O:D

Dunno about that. I consolidated all the info on the net and in the manual, then filtered out the bullcrap and when through everything in what appeared to be methodical order. I really like the smooth idle and it sounds great - I used to live in fear of it stalling at stops all the time, Or...

The 14CUX MUST have a vehicle speed signal. Make sure that's functional and wired to the ECU first. If it's not, if may be your only problem. While the vehicle is coming to a stop, the revs should be held higher (because of the road speed reading to the ECU - from memory, about 1000?) then drop...

This bit confuses people. I wasnt talking about the CO trim, thats the one you set with the pot. If you are measuring the FRONT two pins, you are measuring the airflow signal, which you CANNOT adjust - its just what the Flow Meter puts out. and it should rise directly with increased airflow...

The ECU defaults to 2.5V for the CO trim, if the MAF is giving no readings. The Britpart MAF is probably junk (seems to be par for the course, with Britpart!). If you unplug the MAF, you'll get the same reading. Plug in the OLD MAF, that *might* still work. Put a digital multimeter set to DC...

That can be just a belt. I had a ****ty Dayco one make that noise on my V8 DIsco 1. it can also be an idler or bearing, as mentioned above. Easier to start with the cheap checks first though! CAREFULLY hold a candle onto both sides of the belt (so they eat into the wax a bit and coat the belt)...

They'll have a much higher sidewall - probably ruining the gearing if nothing else! They'll be 8.4% taller - you may find that makes the car feel sluggish and screws the economy. I wouldn't go there, personally.

Mine is a fairly late 96/97. Clean out all the idle bypass path around the screw and the whole way through. I used a foaming intake cleaner and some long cable ties afterwards to poke through. It's gets gummed up. Make sure you have no vacuum leaks. set the timing (I use 10BTDC). Clean the...

I much prefer Timeserts, especially for anything that I want to remove the bolt from occasionally. They involve a slightly larger hole, but have a solid insert, that doesn't try to expend like coil type inserts can try to do. They work WAY better in aircooled heads, so should be even better in...

Looks like it's been used as a submarine!

Caramel wheel, like used for vinyl signwriting removal?

Get your story stuck on the car in vinyl lettering and push it to a car park outside the dealership. ;)

Most of the Morons won't notice. Have you SEEN the people they give licences to nowadays???