crank but no start no start k1500 v8-5.7l chevrolet 1990

Q: crank but no start

asked by on August 02, 2017

i replaced my intake manifold and after that my truck will crank but not start. As it cranks it backfires. There was no problems before i replaced the manifold

My car has 184000 miles.
My car has an automatic transmission.

If you had the distributor out, which I believe is necessary for changing the manifold on that engine, you may not have it installed correctly. The gear is designed such that it can go in any number of positions so it’s up to the mechanic to see that the rotor shaft is in the correct position when it all goes together. You will need to take out the number one sparkplug and have a helper put his finger on the hole so he can feel the compression as you turn the engine by hand. When the number one cylinder is at the top of it’s compression stroke, you can check to be sure the rotor is pointing toward the number one wire and re-set it correctly if it is not. If you decide you need help with this, you can contact Your Mechanic. They can send a technician to your home or office to check out your starting issue and let you know what it will take to solve it.

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