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Question

1990 Dodge Ram 150 3.9 liter engine, full size pick up


Sent to Car Experts January 07, 2005 4:42 a.m.
I want to know why my truck won't start. There's no gas pumping into the throttle body. I already checked the fuel pump and put in a new pressure regulator, but gas still is not coming out of the injectors. The car sounds like it wants to start but doesn't. What could be the problem?
Thanks

Edited by Customer (name blocked for privacy) on January 10 2005 at 6:07pm
Customer (name blocked for privacy)
Status: Closed   Value: $5   
Info Request
January 07, 2005 8:25 a.m. (3 hours and 42 minutes later)
This system does not use a crankshaft position sensor per say, it uses a Hall Effect sensor in the base of the distributor. Crankshaft position sensors weren’t used until ’92 on these engines.
What problem has you searching for a crankshaft position sensor?
Venturi  -- Auto Service Technician -- 100% Positive Feedback on 6 Car Accepts
ASE certifications in Engine Performance, Electrical systems, Heating-A/C, Brakes
Info Request
January 10, 2005 11:18 p.m. (3 days and 14 hours later) 		REPLIED to Info Request Check Mark
Do you have spark?

You said you checked the fuel pump and replaced the fuel pressure regulator but have actually checked the fuel pressure with a fuel pressure gauge?
Have you used a noid light to check for injector pulse?
Venturi  -- Auto Service Technician -- 100% Positive Feedback on 6 Car Accepts
ASE certifications in Engine Performance, Electrical systems, Heating-A/C, Brakes
Reply to Venturi
Sent January 11, 2005 4:22 p.m. (17 hours and 4 minutes later)
No I don't have spark but I changed spark plugs, wires, distributor cap and roter. No I haven't checked with a fuel gage because I don't have one and I don't have a noid light.

Edited by Customer (name blocked for privacy) on January 11 2005 at 4:31pm
Customer (name blocked for privacy)
Answer
January 11, 2005 4:39 p.m. (16 minutes and 31 seconds later)
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PictureMarc  -- Technician,Auto -- 98% Positive Feedback on 1028 Car Accepts
32 years exp. automotive repair NYS emisisions repair cert.
Answer
January 11, 2005 5:48 p.m. (1 hour and 9 minutes later)
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Venturi  -- Auto Service Technician -- 100% Positive Feedback on 6 Car Accepts
ASE certifications in Engine Performance, Electrical systems, Heating-A/C, Brakes

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