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Well damn, i thought I had everything done now I have a code 31 (AFM signal) I cleared all the other codes but this one comes back. Should I ground the AFM? How do I check the AFM?

I thought my timing light was broken until I tried it on my other supra. The tach in the car stopped working the exact same time the CEL stopped working. It looks like I have finally got all the wires on the harness right but no tach signal or cel signal. Any ideas?

I was thinking about getting a set of Adjustable cam gears for my 88. Only problem is they really need to be tuned on a dyno. I was hoping someone here already has done the legwork and could post the optimal settings for adjustable cam gears for the NA. Optimal meaning the most HP/TQ. across the...

Dont know where these 2 wires go but as you can see the more than likely connect somewhere on the passenger side of the engine. the next 2 gome out of the firewall under the afm . Then theres this plug which looks like a cold start injector plug on my NA but cant find the cold...

I can't get the CEL to come on with diagnostics or when the ignition is on. I went through the harness and everything appeard to be in order. Is it common that these ECU's go bad? ANy way to test it?

Should have a knock sensor in th enext few days but now ther eis no ECU signal, damn! The CEL doesnt come on when the ignition is turned on.

The rear knock sensor is broken off. I know it needs to be completely replaced but is there a way to bypass it with a resistor or anything?

Upon further inspection I found 2 wires coming out next to the starter (hard to see wxactly what they are hooked to but I think it is the rear knock sensor. one is red and one is yellow. I have 2 unused clips on th eharness, 1 is red (think it went to the EGR which is now blocked off) and one is...

Codes 22 (water Temp signal) 42 (vehicle speed sensor) and 52 (open or short in knock sensor) Unfortunately I dont have an accurate history on the car. I'm goin to try to run it with out the turbo and see whats going on. compression is good, spark is stron, new plugs, lots of black smoke out...

I found a few issues and fixed them but now the throttle response is real slow. I can redline it but it takes awhile. Timing is spot on.

My timing light just went out damnit. Cant get it to work. oh well. another symptom is black smoke coming out of the exhaust. i know its fuel just trying to narrow down why.

wrong forum sorry

I'm working on a 87T for a guy. The car was brought to me with no plumbing done on the intake. I hooked up all the pipes and vacuum hoses, set the CPS properly, set the timing etc... The car fires right up every time and idles perfect. When i give it gas it seems to have slow response and chokes...

I'm working on a 87T for a guy. The car was brought to me with no plumbing done on the intake. I hooked up all the pipes and vacuum hoses, set the CPS properly, set the timing etc... The car fires right up every time and idles perfect. When i give it gas it seems to have slow response and chokes...

Do you have a link to that model electric pump? Do you think it will be sufficient for a N/A? and are you going to hit 10K tonite?

i wonder if the impeller can simply be removed thereby reducing the drag on the pulley equal to a idler pulley, then running an inline pump.

Actually I was thinking along the lines of cooling after shutdown as encomiast stated but also to free up some HP. This has been dyno proven on dozens of different cars to free up a minimum of 10-12Hp

Seems like every tuner car except the MKIII has an aftermarket Electric Water Pump available. Someone please prove me wrong.

1: Check compression 2: Check for Vacuum leaks 3: Check your timing 4: Check your fuel pressure 5: Check your timing again. 6: Check for spark 7: change your rotor button, cap, plugs and wires. The biggest problem diagnosing a car is denial.

Never filed the crank guys. Just shaved th ekeyhole on the pulley a tiny bit.