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Geo isnt Starting After!
Topic Started: Aug 31 2012, 03:32 PM (5,493 Views)
fritzgeo
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Ok, I thought I would try this again,
I had my assitant come back and I ask them just to turn and hold the ignition key on, while I would pour a little bit of fuel down the tbi - me acting as the fuel injector.
That didit do anything she almost wanted to go but, she didit.

All she is doing is backing firing from the TBI Unit.
I even took off the Catalyst to see if that was causing the problem but its not.

I have no clue whats wrong, I still have to run a compression test to it but even then, she should of started up with me pouring the fuel down like that.

I know she has spark, and I know its getting to her- I tested every wire and every plug to make sure it was getting spark. I dont know what to do.

Anyone?
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Memphis metro


Timing is wrong or plug wires are wrong.
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RoyTheGoy
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You have to have fuel, spark and compression. I'm thinking that when you do the compression test your numbers will be way low. I know the part stores here in town will let you put a deposit on tools and take them home to test with. We live in a small town with a Autozone, Napa, Advance and O'Reillys. You may try calling them to see if someone will let you borrow a compression tester. I did mine wrong the 1st time. Be sure to have your accelerators to the floor as you crank the engine for compression test. Also a good idea to pull the fuse under the hood for the fuel pump. I wasn't sure what one mine was so I pulled the small 15amp and the lowest amp fusible link. There are lots of great links here on doing a compression test and what numbers to expect. I hope you find them or someone posts one because I probably don't even know the steps by heart. I hate to find stuff when I'm in a hurry so that's why I'm even mentioning any of this from memory. With oil in the cylinders the numbers should be close to 200psi so if you get something like 50, you've got a big problem.
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fritzgeo
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Blue Rhino, my plugs I assure you are in order. as well to the disturber because if they werent it would have never cranked up the first time.
I have done the timing twice and to make sure I will tell you how I am doing it, I take off my AC Belt then my Alternator belt, Then I remove the Water pump pulley. Then I go down and take the crank pulley off, Then I loosen the tensioner and loosen the Firefly bolt, then I take the belt off. Going Clockwise I turn the Crankshaft twice around for 720 Degree turn. making sure to line up that mark on the tooth gear to the mark on the engine block looks like an arrow to me. I make sure by taking the Number one spark plug out far left closest to the timing gear out. I make sure the piston is all the way up by taking a tapped up Phillips long screw driver and making sure its up top. After that, I goto my Camshaft, there is a mark on the Cam pulley for 80C and 60C I turn it clockwise and put it on 60C and line it up with that notch on the valve cover. After that I double check to make sure the cam is in align with the Number one spark plug wire on the distributor, I take out the two bolt/screws that hold the cap on and make sure the Rotor for it is on the number one spark plug.

It shouldn't really matter on how you reattach the belt as long as you adjusted the crankshaft and cam right. before, I put the belt back on I blocked my Flywheel so it wouldnt turn at all. Then I slipped my timing belt back on and tighten everything back up.
If that doesnt sound right to you Blue Rhino please let me know if I am doing something wrong.

RoyTheGoy; Thank you I will make sure to do all of that, I have a friend with a compression tester and they are going let me borrow it I am hopeing that by Wednesday I will have a result, because they are going to bring it with them tomorrow at work for me. Latest would be Thursday.

I really have no clue what else this could be if its bad compression I have no clue what could cause that besides bad piston rings.


Thank You all any Advice you can give will be helpful.

Sincerely;
Fritzgeo
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Bad Bent
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Facetious Educated Donkey

So you are down to compression. Here's the How to link again... http://geometroforum.com/topic/2574993/1/

The other non-start link I have is mystery solved: oil relief valve.
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fritzgeo
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Thx Bad Bent, Will check those out right now. :)
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crankcase


Do the compression test.

Maybe you have a stopped up cat?
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fritzgeo
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crankcase
Sep 5 2012, 02:07 AM
Do the compression test.

Maybe you have a stopped up cat?
No I don't because I dropped the Cat off it and she still wont go. I gotta wait till about the end of the day to get my compression test kit.

Will get more information for everyone when I get the results of the compression test.

Starting to think she might need a rebuild on the valves, after doing a bunch of reading. LOL

Any help or advice you can give would be appreciated

Sincerely;
FritzGeo
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Memphis metro


The reason I say timing or plug wires is the backfiring you describe. Low compression would not cause your backfire condition.
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starscream5000
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Got 70 MPG?

Agreed. If it's backfiring out of the intake manifold, the timing is way off.
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fritzgeo
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Well I done the timing twice, and as i described that is how I did it. It doesn't seem to be off.
I have done exactly what my book instructions told me to do.

Was wondering I took the fuel injector out today and was wondering how you can test those to see if there bad?

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Bad Bent
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Facetious Educated Donkey

fritzgeo
Sep 5 2012, 02:02 PM
Was wondering I took the fuel injector out today and was wondering how you can test those to see if there bad?

Here are some injector links:

mwebb procedure on testing with DVOM
Injector Cleaning
Removing the injector.
Injectors for sale

mwebb:
key on engine off
there should be no fuel dripping from the injector

if there is fuel dripping
the injector pintle is open , disconnect it , cycle the key off to on , do not start engine
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RoyTheGoy
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If a intake valve is stuck open would it backfire?
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Memphis metro


RoyTheGoy
Sep 5 2012, 04:24 PM
If a intake valve is stuck open would it backfire?
Yes it could but from the symptoms he describes, it does not seem to indicate his problem. He seems to indicate his car was somewhat running right before the work was done. Maybe I am assuming too much. A stuck valve would be no compression. Not low compression.
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Johnny Mullet
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Fear the Mullet

Firing order is 1-3-2 and the distributor rotates counter clockwise when looking at it from driver's side. On the cap, #1 is on the top and should go to #1 cylinder. #2 is closest to the front of the car and that wire goes to #2 cylinder and so on. The Haynes and Chilton manual says the firing order is 1-2-3 and it in not correct.
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