SOURCE: where is the fuel pressure regulater on a 1998 chevy astro van ?
it is on the fuel rail on the engine its next to the fuel line conection from tank to fuel rail for injectors
SOURCE: our 2001 Chevrolet Astro Van heater not working?
Could be a bad heater core, any fluid leaking around it...check under the carpet and padding if you don't see anything under it on the ground. Your coolant may also be low, and it isn't circulating to the heater core, or a vacuum line may be off the hot/cold gate on the heater box, there are a lot of possible causes, but i would check for leaks and fluid level first
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SOURCE: Air, no heat '98 Astro. No leaks, engine
It sounds to me that you may have 2 problems. 1). Air Lock in the Heater Core. 2). Inactive Heat Damper in the Plenum.
But since you state that the Heater Hoses do not get warm that is indicative of an Air Lock in the Heater Core. This is a relatively simple fix. It is best performed COLD but requires a method of pressurizing the Cooling System. All reputable Auto Parts stores Sell and/or Rent Pumps that temporarily replace the Radiator Pressure Cap for Leak tests and curing Air Lock. The Collant Level must be filled FULL then pressurized and then loosening the Highest Heater Hose at the Firewall so that Air and a Small Amount of Coolant escapes. Once all the Air has escaped tighten the Heater Hose Clamp, remove the Pressure Pump, Restore the Collant Level to FULL, re-install the Pressure Cap and Start the Engine. As it Warms up you should be able to feel coolant running through the Heater Hoses and they should become warm.
SOURCE: 1999 astro van misfire
The easiest solution to the misfire is to go down the line and eliminate the things you have fixed or not fixed to help eliminate what is causing your misfire, click on this link below to better help you understand what you need to look at to solve your problem.
http://www.obd-codes.com/p0300
SOURCE: 1999 Chevy Astro Van. Don't know exact model # of
the code p01870 i believe it is the 1-2 shift solenoid.
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