My husband just replaced the gasket to the water pump. it ran after that but it sitll leaked so he noticed the intake gasket was bad also. when he went to replace it he could not get the whole intake out so he out sealant around where it was bad. when he out it back together it woukd not start. we got the timing and firing order right but there is no gas going into the throttle body. there is gas coming out of the pressurized valve when you try to start it. we did put new o rings on it but still cannot figure out why it will not start.
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Re: no gas to throttle body
U have left an engine connector loose to the fuel injectors or pulled it loose when he was working on the area around the repair, check all the connectors to the engine, make sure they are all snapped together, this is the problem, have seen it before many times in my 30 years as a new car dealer tech, also make sure that the check engine light works, if it doesn't then the fuse for the computer may be blown from a wire that was shorted, this to will cause a no start.
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the sensor is part of the throttle body and not replaceable here is the throttle body replacement instructions as you will have to replace the entire throttle body it is a very common issue with these THROTTLE BODY ASSEMBLY REPLACEMENT
Remove the air cleaner intake duct.
Disconnect the electronic throttle control (ETC) electrical connector (1) from the throttle body (2).
Remove the heater pipe nut at the throttle body.
Remove only the heater inlet pipe.
Remove the nuts and the bolts from the throttle body.
May be coming from the intake gaskets. Coolant does pass through the heads into the intake manifold.
There should also be coolant passages in the bottom of the Throttle Body. You would see a couple of 3/4 and/or 5/8 hoses and maybe a tube goiung into the Throttle Body. This is so warm water passes through the TB so it does not freeze up.
Something is probably leaning out the mixture when you open the throttle. It seems that any ignition issues have been ruled out.
So, check the following: fuel filter clogged, low fuel pump pressure, the fuel pressure regulator could be stuck at the idle setting, the EGR valve could be stuck open, faulty throttle position sensor (TPS) or circuit, faulty manifold absolute pressure (MAP) sensor, faulty or dirty manifold air flow (MAF) sensor, faulty intake air temperature (IAT) sensor, and an air leak into the intake duct or manifold between the MAF and the throttle body. I think if the intake manifold gasket had a leak, it would be misfiring at idle.
Ask the shop if any of the above checks have already been accomplished. I'll bet most of them have, but one may have been overlooked.
This most certainly sounds like a water pump issue. The thermostate is located inside the water pump housing and if the pump is bad you'l lose fluids and need to add every day or so. The temp guage will run hot and often the heater won't warm up. You have even notice fluids on the ground below the front passenger side of the car. Try getting a pressure test first before replacing anything. That's a good place to start the diagnosis.
If the manifold was replaced, install or connect the following:
Vacuum source manifold.
Positive Crankcase Ventilation (PCV) valve.
Manifold Absolute Pressure (MAP) sensor.
Throttle body assembly.
Upper-to-lower intake manifold carrier gasket to the upper intake manifold.
Carefully place the upper intake manifold onto the lower intake manifold. Ensure that the alignment pins in the upper intake manifold align with the holes in the lower intake manifold.
NOTE: Apply thread lock compound, to the bolt threads before assembly.
Install or connect the following:
Upper intake manifold. Tighten the upper intake manifold bolts in sequence to 89 in lbs (10 Nm)
Accelerator and the cruise control cables with the bracket to the throttle body.
EVAP purge solenoid vacuum line to the throttle body.
Connect the electrical connectors to the following:
Mass Air Flow (MAF) sensor
Manifold Absolute Pressure (MAP) sensor
Idle Air Control (IAC) valve
Throttle Position (T/P) sensor
EVAP purge solenoid
Install or connect the following:
Throttle body upper support bracket bolt. Tighten the bolt to 89 in lbs (10 Nm)
EGR valve wiring harness heat shield, nut and the bolt. Tighten the nut and the bolt to 89 in lbs (10 Nm)
I was going to say water pump but no block the water inlet to throttle body and let run a while can you smell a sweet smell or steam comming from your tail pipe Next is a die test you can do . Put the die in your rad and go for a 5 mile ride now use a cheep black lite $3.00 at lowes the leak will show up. good luck CJ