Hi, I just did a mayor tune up on my 1991 Ls400, spark plugs, wires, cap's & rotor's air filter and fuel filter. I re-checked the firing order and is fine. When I start the car the check engine and track off light goes on and stay on, now when I drive it can't go over 40 mph because it start pinging bad like if it is out of timing also it jerk,s too like if running out of gas. There is a connector with a magnet like square hanging below the driver/left side dist cap and wires cover on the out side, can you tell me what it is. Thank you in advance to the forum and all of you.

 

Can't really help you to identify the connector you are talking about but it would be easier to help narrow down your problem if you can say what trouble codes you have. See lexls.com on how to get it,
http://www.lexls.com/tutorials/intro/codereading.html

 

Thank you JA, I will check the codes and get back to you.

 

Ok, i got Code-13 witch is RPM Signal No.2

 

The connector hanging down is supposed to be mounted to the bracket right under the metal coolant line that mounts to the front drivers side cam cover. The code 13 refers to the passenger side cam sensor. Its probley pinched or disconnected from the tune up. Check that first

 

Thank you RLX, I will check that tomorrow after work and get back with the results.

 

I couldn't get back to my car until today due to my job. Anyway today I removed the cam sensor #2 and there is no signs of pinched wire and/or bad connection, I also checked continuity and is fine. You guys think that is the cam sensor it self? Thank you in advance.

 

whatever came of this? i have an extra clip that looks identical to the 4 injector clips on this side.,, but the 4 are plugged in it is on the right side of the vehicle by the oil cap .. and mine is missing jerking etc. I put new coils wires plugs roters and caps on it so im lost

 

I see you checked for continuity,but how much resisitance was there?

 

how do you check for continuity?

 

i had this code, did my timing belt and fixed it. engine was out of timing.