Replaced front fuel injectors when i put the new ones in i forgot to lubricate them .
I bought fuel injector kits to replace bottom rings but im still having problem with white smoke coming from tail pipe and strong gas smell so i turn the car to stop further damage. The long the car is on the more smoke and smell of gas. Can anyone help?
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injectors are sealed where they go in the manifold by "O" rings
If you didn't use new "O" rings when replacing the injectors or used lubricant like grease to help install the injector through the rings ,it is possible that fuel pressure is allowing fuel past the injector tip into the cylinder.
Friend, replace the fuel injector on that cylinder. That's really good compression and nothing at all wrong with the valves. That misfire is what we call a dead cylinder and it is repairable. #4 cylinder is the front cylinder on the drivers side. You must remove the coil pack, disconnect vacuum lines from the front of manifold, pop all the electric connections off, remove the 6 bolts securing the upper plenum chamber and lift it off the manifold. Unclip the fuel injector wire connection from #4 injector at this point. There are small bolts securing the fuel rails to both heads to remove so the fuel rails can be pulled up to get to the fuel injectors, the will stay in the fuel rail when lifted, and it's a stiff removal because of the rubber O-rings holding the injectors in. When you have that up and able to get to the injector, just twist it out of the fuel rail, put the new one in it's place after a light lubricant is put on all the O-rings on top and bottom #4 and all the lower O-rings that are exposed, guide all the injectors back in their ports and push them all down until the fuel rail mount brackets are in position for the bolts and put the engine back together.
If the fuel rail is not seated down where it was this will happen. I put some lubricant on the o-rings to make sure the injectors fit in the rail all the way, try twisting the injectors also while the rail is pushed down. Also you might need to change the o-rings on the top of the injectors. I hope this helped you.
Before servicing the vehicle, refer to the precautions in the beginning of this section.
Properly relieve the fuel system pressure.
Remove or disconnect the following:
Negative battery cable
Fuel injector retaining clip off the injector
Fuel injector O-rings and discard them
Fig. 1: Fuel injector identification-1.9L engine
To install:NOTE: The SOHC and DOHC fuel injectors are not interchangeable. The injectors are identified by a color coded plastic ring near the bottom of the injector. The SOHC injector has a blue ring near the O-ring that mates to the intake manifold and the DOHC has a pink ring.
Lubricate the new fuel injector O-ring with clean engine oil.
Install or connect the following:
New O-ring seals on the fuel injector
Retaining clip to the fuel injector
Fuel injector to the fuel rail
Negative battery cable
Start the vehicle and check for leaks, repair if necessary.
You'll need to pick up an injector install kit for around $40. There are two sizes depending on the size fuel line that runs between your injectors so don't open the bag the kit comes in, until you compare the contents of the kit with whats on your motor. The kit will have new fuel line, clamps, plastic caps and o-rings. Once you remove the fuel line from the pump and then the fuel line between injectors, you can pull the plastic caps off and then remove the old o-rings. Reverse this order to install the new kit.
1.) Remove air inlet elbow and hose. 2.) Remove injector wiring connector and injector retainer clip. 3.) Using small pliers, carefully grasp center collar of injector between electrical terminals and carefully remove injector with lifting-twisting motion. Discard both "O" rings.
To iInstall Using light oil, lubricate new upper and lower "O" rings. Install them in housing bore. Install back-up ring over upper "O" ring. Position replacement injector in fuel body. Center nozzle in lower housing bore. Use pushing-twisting motion to seat injector. Align wire connectors in proper orientation. Install retainer clip and screws. Connect injector wiring. Install air cleaner.
You will need to remove the fuel rail bolted to the intake manifold. There maybe a clip holding on the injector. Spraying some WD-40 on the ends of the injectors to aid removal, also when installing, spray some on the O-rings, will help in installing them. Make sure all are seated.
You need to lubricate the o ring prior to fitting the injector. Without the lubrication the injector does not slide into the fitting and can roll in the groove and get snagged and damaged. A thin film of engine oil will fix it but also check the sleeve where the injector sits in case it has a burr or was nicked during the removal process first time.
Lubricate the NEW fuel injector O-rings with clean engine oil.
Install the O-rings on the fuel injector.
Install a NEW retainer clip on the fuel injector.
Install the fuel injector in the injector socket with the electrical connector facing outward. The retainer clip locks onto a flange at the fuel rail injector socket.
Install the fuel rail.
NOTE: Use care in removing the fuel injectors in order to prevent damage to the electrical connector pins on the injector and to prevent damage to the nozzle. Service the fuel injector as a complete assembly only. The fuel injector is an electrical component. DO NOT immerse the fuel injector in any type of cleaner.