Question about 1990 Daihatsu Rocky

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Done head gasket mate put manifolds on now fuel pump diont work no power to pump power at relay starts with blast of fuel no power from compurter to pump

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  • Daihatsu Master
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Computer doesnt control pump relay on such a old vehicle ,you have a fuse out or old dirty connections on the base of the relay so if all else fails then run a new feed wire to relay depending on which power point on relay has no power ,if its the feed from ignition to operate relay make a new feed from ignition switch and if no power to pump side of relay then run a new feed to this via a fuse .simple to sort out on such an old vehicle

Posted on Mar 12, 2011

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HELP!!!! Please & Thank You. I have an 05 Buick Rendezvous 3.4L just changed intake gasket manifolds and now water is shooting from the radiator.. What could this be?


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Coolant in oil ??????


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Fuel injector diagram 2001 lincoln ls v8


This will provide a basic how to or DIY on how to replace your injectors, but for your specific application, we recommend you ask in our car forum.

Before You begin, It is essential to de-pressurize your fuel system. Disconnect the power to your fuel pump, by either disconnecting it's power supply, or pulling the fuel pump fuse or relay. Once the fuel pump has no power or relay installed, crank the engine for a few seconds. The engine might start, but should die a few seconds later. If it continues to idle, then you didn't disconnect your fuel pump or the correct relay.

Once the fuel system is de-pressurized, you can begin to remove various parts from the engine bay to help clear up room. On a typical system, there is a fuel feed, and fuel return. For these types of systems, you would need to disconnect both of the lines, and then disconnect the fuel pressure regulator. The fuel injectors are held in with clips that hold the harness to the injector. Remove these clips, and pop off the wiring harnesses. The fuel rail is held in with a few bolts. Remove these bolts, and then the fuel rail should be loose. Pull the fuel rail out of the intake manifold or cylinder head, and you can now easily remove the fuel injectors.

Make sure to cover the holes that are now in the intake manifold or head. Don't let any debris fall into this hole!

Pull the old fuel injectors out of the fuel rail, and then put the new injectors into the fuel rail. Make sure you have new "o" rings and you are all set. Simply put everything back together, and then don't forget to plug your fuel pump back in. The car may be hard to start the first few cranks as the fuel pressure builds, and then you are all done!


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1 Answer

2001 Buick Regal keeps stalling and running rough has white smoke coming out of tail pipe


The upper intake plenum is leaking coolant into the cylinder heads. The head gaskets on this motor are awesome. So, chances are it's the upper intake plenum. You can check this, by removing the vacuum hose that runs between the upper plenum and the brake booster. Stick your finger in and try to touch the top of the lower intake manifold. If your finger is wet it the upper plenum. You might as well replace the lower intake gasket while you're performing this work because they are prone to failure also. Use a shop vac to pull any coolant out of the cylinder heads. Get brand new spark plugs because the old ones are probably fouled. Once you get the plenum and gaskets replaced, remove your fuel pump relay and leave the spark plugs out and turn the engine over repeatedly for about 10 seconds to push any excess coolant out of the cylinder heads. Then, put the spark plugs in and turn the engine over for 10 seconds again. This will burn excess fuel as coolant out. Then, replace the fuel pump relay to allow fuel to be pumped into the heads. Car will smoke for a few when it fires up, but will clear out quickly. CHANGE THE OIL! Twice within a week if possible.

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1 Answer

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There are also quick disconnects for the heater hoses which may not be properly retained. These quick disconnects have been known to crack, creating a leak,

I would first determine where the liquid is coming from and then concentrate on that interface to solve the issue.

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3 Answers

How to properly relieve the fuel system on a 98 jeep cherokee?


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Modern head gaskets do not require additional sealer or retorqueing. Follow gasket maker recomendations. and torque as recomended by Jeep.

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2 Answers

Just put new spark plugs in 97 buick lasabre. Car now starts and runs, but is blowing out white smoke. Is this blown head gaskets? Does it have anything to do with the fuel pump put on 3 weeks ago?


these cars have issues with coolent getting into the intake... headgaskets are not one of the issues . check plugs for coolent. upper plastic intake has coolent flow in to chambers if u will, and over time they get micro cracks and brittle ...lower intake manifold gaskets are plastic also. ..cyl. heads are cast iron not alluminum . lower intake manifold is alluminum and upper intake is plastic .. on my lesabre a plastic 90 degree elbow connected to the lower intake manifold to the heater hose housing. the belt tensioner is connected to this housing im refering to. not saying for sure, but if it is this is usually why...

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