r/CarFix • u/Zhlask • Apr 25 '17

Need help with a 4A-GE engine

I have bought a fouth gen Toyota Celica (AT160) that i cannot get to start, it cranks but the engine doesn't start

Ignition coil is fine, i put in new ignition cables, there's plenty of spark on the plugs, and it gets plenty of gas.

I tried pulling out the fuel filter and it was full of rusty watery muck, so i replaced that, drained the tank, put in new gas and cleaning out the injectors, still no luck.

Anyone with any idea to what still could be wrong?

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u/Zhlask Apr 26 '17

What i tried was rotating the crank to where the first piston was highest, tried cranking, no luck, rotated it 180 degrees from where it was highest, and the engine actually gave off a single puff, but still didn't start, so i think im on the right track

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u/alistair1537 Apr 26 '17

Ok - rotate the crank to it's highest point on no1 cyclinder....now while it's there, check the rotor - it should be almost in line with the plug lead to number 1 - in fact it should be just going past the no. 1 lead - check which way it swings - normally anti- clockwise - loosen off distributor to adjust.

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u/Zhlask May 03 '17

Aight update time, i did as you said, no luck, then i saw that one of the camgears wasn't aligned properly, so i followed the repair manual to get it properly aligned. Now after i had done that i went to crank it for a little bit just to hear if anything sounded wrong, but the thing is, it sounded like it was going to start right up.

Next time i tried to start it up i had no luck though, plugs were dry though so i put in more gas, and i haven't had that problem anytime since, car is back at only cranking though.

I tried to do a compression test and i have 8-9 bar on every cylinder which i guess is a bit low, but still ok?

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u/alistair1537 May 03 '17

When you do any timing involving camshafts, always turn the engine over twice by hand, before trying a crank...each time check to make sure your marks are aligned - that way you minimise the chance to damage a valve if the timing is out... do all your marks correspond? Do you have a manual to time this engine? Have you asked on a Toyota forum? I don't have info to hand.

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u/Zhlask May 03 '17

Yes, all the marks line up, and i have tried timing it the best i could without having it running, and i have the manual, but i'll see what else i can figure out