Question about Toyota Cars & Trucks
Starts perfectly first go in the morning. As soon as the engine warms up you need to wind the starter over many more times before it kicks, then runs perfectly. Had fuel pump and filter replaced in the last month due to dirty fuel. Another mechanic who now has the car in another city says the fuel pressure is dropping away when the motor is off the fuel pump 'O' rings are normally the issue, which he has checked and played with and didn't fix problem. My thoughts are if the fuel pump had an issue not holding pressure, how come the motor starts perfectly first thing in the morning. Mechanic here has suggestions around the fuel injectors leaking and the car is slightly flooded when trying to start, after it burns the fuel, the car starts. Reason it is okay in the morning is that the fuel in the chamber has evaporated. I like the theory. Problem car is in a another town and that mechanic says the fuel pressure is dropping immediately. Thanks
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Posted on Jan 02, 2017
sounds like the dreaded renault immobiliser ,in which case its dealer only as software encrypted.whats happening is the immobiliser is stopping it from starting when key is in start position cranking but it will go with a bump as starter motor key position not activated .try a wire from battery to small connector on starter motor .if it starts which i think it will then you know what to do ...old fashioned way with a push button.but are you getting prepared to lay the golden egg ???just in case
Posted on Nov 22, 2008
replace your MAP sensor(manifold absolute pressure) the map sensor is the computer for your fuel pressure regulator telling how much pressure. Unless your tahoe runs like **** going up hill than it inevitably your fuel pump
Posted on Feb 17, 2009
SOURCE: 95 Camaro Z-28 starts hard
could be alot of things but there are 3 basic principles/requirements for any gasoline engine to start. You need fuel, compression and ignition. Not much you can do about the compression short of having the engine rebuilt so focus on the other two. Fuel includes a good clean air supply (check air filter) and fresh gas (check and replace fuel filter). If the injectors have been already been cleaned, that's about all you can do. Have your spark plugs been replaced? Bad plugs will also cause this problem. The ignition system aslo consists of spark plug wires and other components that may need replacing. If this is beyond your mechanical capability, I'd have a mechanic connect the car to a scope to see if any of these systems are acting up.
Posted on Sep 01, 2009
Testimonial: "Thinking I need a new mechanic! Thanks for the help!!!"
SOURCE: '88 Ford Bronco II, 2.9L
sounds like it could be the relay. also this one has 2 pumps I think, one in the tank LP and one on the rail just under the driver. 2 relays also one for each.
Posted on Feb 17, 2010
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