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I just finished rebuilding my 1990 2.9 and it wouldn't start. When we did the initial start up, the truck needed ether to start and ran decently while stumbling. I found out that the spout connector was removed from the previous owner so I spliced it but still no help starting
I installed a new fuel filter, fuel pump, cleaned the injectors, spark plugs, spark plug wires, distributor cap, rotor, air filter and cleaned the MAF.
Its not a spark problem because I'm getting good spark from all the cylinders and yes the timing was set correctly. It sounds like it wants to start but just doesn't have something to make it boom.
I posted on the other topic, but would add you might try stepping on the gas pedal. If the IAC is goofy, it won't open and provide air, and the engine won't start. The MAP can also diddle with the fuel mix, confusing the computer about the engine load, leading to lean or rich conditions, and a terribly unstable idle.
tom
You're really starting to confuse me now. In your first post, you said you cleaned the MAF sensor. Now you're asking me where it is? How can you clean something, if you don't know where it is, or what it looks like?
You're really starting to confuse me now. In your first post, you said you cleaned the MAF sensor. Now you're asking me where it is? How can you clean something, if you don't know where it is, or what it looks like?
i always assumed the MAF what was connected to the air plenum/ black intake tube