Buckle in for this one guys…
I’ve been working on this for a LONG time and it started initially as being difficult to start in the cold and starting right up no problem when warm. I had before this replaced all the sensors at the throttle body, some of them even twice (IAC and TPS). I have also replaced all the plugs, plug wires, distributor cap and rotor all less than a year ago with no problem. Once it became increasingly difficult to start I began to look at fuel. I have a new pump that I haven’t put in yet because I can confirm that the other one still “pumps” fine (although I know this doesn’t necessarily mean it hasn’t failed in another way). It eventually sat for a few months because of the colder winter temps and would no longer start at all. Other things I have also recently done is replace the entire fuel rail itself, all fuel injectors with the 4-hole injectors, the fuel pressure regulator (on the rail), and even replaced (most) of the vacuum lines. As you can tell by this point we have been doing a lot of guess and checking but to be honest I’ve rebuilt nearly this entire car from the ground up from suspension to steering to the performance upgrades and cosmetics, ect. I considered the rotor being put improperly back on the distributor and was able to use a pressure gauge to find TDC on cylinder 1 and re-calibrate the timing properly. I have just purchased the ignition coil as well and will be installing that tomorrow but honestly I’m not that hopeful. I realize it could also be the camshaft position sensor, that is the very last thing I can think of. This entire time it has also been hooked up to a 40amp power supply that I can turn up to 200amp if I need to try giving it an extra little kick. I’ve tried starting fluid.. I feel like I’ve tried it all. Any ideas?? Am I missing something obvious??
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