I replaced the distributor in my 95 jetta because of 2 sensors tripping the check engine light. Now the car won't start. The battery light and oil light stay on. Tried jumping but didn't help. Any little things that need to be done when the distributor has been changed?
Go back to bacic timing. put your crack shaft pully on 0 degree. Take the timing belt cover off and make sure that with the crank shaft pully is on o degree the cam shaft pully is align with a mark it has at 12:oo o'clock. If not so, turn the engine one more time using a 12 point 19mm sucket on the crank shaft till you get to 0 again. Do it very slow, it's very presice. when you align those two marks, then take the distribuitors cap off. Rotor should be pointing at cylinder 1 exactly on it. There is mark on the body of ignition to confirm this. Hope this does it. Also check if your cables are mixed up.
Most probab;ly u got the firing order mixed up when u replugged ur wires. Firing order is 1 4 3 2. Cyl one is opposite end of transmission, so tu ur left when facing the engine. Possible ur MASS AIR FLOW is defective or the air hose from the air filter box to intake if u have a 2 litre engine. Tell me wut motor u have and how many miles on it.
No the idle relearn process should not make the engine run "choppy", also if the check engine light stays no matter what then you have a hard fault, either a component that is disconnected or failed completely, run a test and get the code post it here and I will research it for you.
Did you check to make sure your distributor is timed right whith the engine?
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I found that the rotor was facing the wrong direction. I spun it 180 degrees and it worked. It is still running choppy, but saw the drive cycle has to be retrained? I also tried to turn off the check engine light by disconnecting the battery, but it didn't work.
Have you checked the connections to the new distributor, are they clean and tight, no damaged pins or wires pulled out of pins?
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