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Been having a no start issue and the car has gotten to the point where it would only start cold if I let it get warm it would not start again and if I let it idled it would die once warm and I checked the codes and it had h16 h26 h28 h32 h33 h36 so I decided to replace the opti job wasn’t too hard but I got the new opti in today and connected all the plug wires the coil and the opti plug I didn’t connect the serpentine the maf or the water pump the car turns over but won’t fire, am I missing something? Is the opti bad? The coil? Is it not starting because of one of the other codes it’s thrown? What out of these codes would you guys say the most important to get cleared is? I bought a duralast opti from autozone if that matters it at least started with the old one now it won’t at all smh any help would be much appreciated guys glad to be a c4 owner!
As said check plugs wires and so on, I went through a few Auto Zone Optis a I'm not calling them great or bad, some of my problem was a little Auto Zone product and little me but they stood up to the possibility of a bad part and the traded me 3 times with no more than a raised eye.
So my cars problem turns out all the wires at the coil were corroded and that was my whole problem
So check the wires, and confirm you didn't leave the Opti-Drive in the old unit or in the floor or bench
Have you checked if you are getting any spark at the spark plugs? Dan
I’ll check that next the car currently needs a new battery which is making the situation worse also I just realized I forgot to swap the new wire that came with the opti I still have the old one on
Hey everyone just wanted to give an update it’s so annoying when I see threads with no answer to what the problem was the car just needed a battery in my case lol as soon as I put in the battery after the new opti it fired right up and has run great since I’ve had it up to 140 and taken it from temple to Austin about 5 times thanks for all the advice !