Question about 1979 Ford F 350

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1992 Ford F-350 7.5 engine vacuum hose placement

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Posted on Jan 02, 2017

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SOURCE: ford triton v8 5.4 l engine . .looking for the

go to this website for a detailed outline of the vacuum routing¤t=vacuum_hose_diagram.jpg

Posted on Dec 10, 2010

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SOURCE: I am trying to reconnect

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Pic on engine vacuum hoses 1991 chevy 350

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350 holley diagram

Check for vacuum leaks--pipe to base of carby for distributor---vacuum brake hose. Check float levels check power valve diaphragm is not burnt or has a hole. Check the gasket at the base of the carby Screw both idle mixture right in then back each 2and 1/2 turns . Use the throttle until you can get the engine to run and reduce throttle until it idles on the jets.. Check engine timing and correct firing order.

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My 1992 chevy g20 van surges and i'm not sure exactly why. I changed the pcv valve, fuel filter, spark plugs, and air filter. What are some possibilities

My first thought would be a vacuum leak in one of the hoses. Rubber hoses get brittle with age and even a small crack in a hose may cause surging. Happened to me in a Lumina.

Apr 26, 2012 | 1997 Chevrolet Astro

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My ford ranger 1992 is stalling everytime I hit the brakes when Im in drive or reverse I rep[laced the fuel filter and cleaned the intake no luck

Hello David, you received very good advise from the last person that contacted you. If I were the one to start looking for the problem, it would have been in the area of the brake booster hose that goes from the brake booster to the engine. I strongly believe you have a bad vacuum leak. Check this hose for cracks in hose or at ends and replace. Your problem should go away and your engine will run better. Please let me know how you make out. GOOD LUCK.

Oct 24, 2011 | 1992 Ford Ranger

1 Answer

How to install speed sensor for Ford F 250 1992 truck

Disconnect the negative battery terminal. Disconnect the wiring connectors to the air cleaner, Mass Air Flow sensor, EGR vacuum solenoid, and DPFE sensor. Remove the air intake assembly (up to the throttle body). There are two vacuum lines from the EGR vacuum solenoid, find where they reach the EGR valve and the intake manifold, disconnect them at these points. There is a rubber hose coming from the firewall to the top of the engine, disconnect this and push it aside. Remove the nut directly below this hose (this nut holds the bracket that the DPFE and EGR vacuum solenoid are mounted to). Follow the mounting bracket around and remove the smaller nut holding it on. Have some tape ready to mark two hoses. Make a note of which hose is the "Hi" and "Ref" on the DPFE sensor and remove them. Remove the DPFE/EGR vacuum solenoid assembly. Congratulations, now you have access to the EGR valve!!

hoping help you

Jun 11, 2011 | 1992 Ford F250

1 Answer

Heat only blows thru defroster ,nothing to floor.Is the valve cable or vacuum and where/ 1992 Ford F150

you have a vacuum leak to the heater control head. It has defaulted to defrost to keep the windshield clear. (It's a requirement).
Check the vacuum hose from the engine intake manifold through the dash panel and into the truck to the control head.
Also, check the vacuum storage canister under the hood for a leak. Some are plastic balls, some are metal cans. You will find a tee in the vacuum line with a check valve where it splits off.

Feb 09, 2010 | 1992 Ford F150 SuperCab

1 Answer

Vacum leak 1992 ford ranger v6 4.0l teh leak is a small block that is located toward the rear of the engien on the drivers side it has 4 lines comeing off of it i can see that 1 of the lines goes to the...

If you don't see any line that should be attached to that port just plug it with a vacuum cap. The cap usually pops off when cranking the engine and the engine starts and stalls resulting in a backfire in the intake. If you don't have a vacuum cap, plug a piece of vacuum hose with a screw and put the other end of the hose to the open vacuum port.

Nov 23, 2009 | 1992 Ford Ranger

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Truck surges in gear idle. Check engine light comes on at about 5 miles out. Truck runs fine other than this problem

Check to see if there is any vacuum hoses off at the black intake tube, or at the vacuum tee on the left rear of the upper intake manifold. The vacuum
hose(s) on the tee were a common problem, and would come off, creating a lean condition and set the check engine light on.

Sep 29, 2009 | 1992 Ford Explorer

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1992 Ford Econoline 350


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