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Santa Fe had problem with radiator fan. overheated, now will…

Customer Question
Hi, santa Fe...

Hi, santa Fe had problem with radiator fan. overheated, now will not start. No fuel to rack, no spark. Replaced crankshaft speed sensor. No go. Tacho does not move on cranking.

Mechanic's Assistant: Does the vehicle stall at low speeds? Does it sputter?

Does not start at all, no spark no fuel getting to rack

Mechanic's Assistant: What year is your Santa Fe?

2005

Mechanic's Assistant: Are you fixing your Santa Fe yourself? What have you tried so far?

Yes I was mechanic now retired. Not familiar with this type of vehicle systems. Replaced crankshafr sensor only so far. still no spark or fuel

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

Overheated engine, blown hose. Replaced it found radiator fan US.

Submitted: 3 months ago.Category: Australia Car
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Answered in 2 hours by:
3/23/2018
AU Auto Mechanic: Matt, Engineer replied 3 months ago
Matt
Matt, Engineer
Category: Australia Car
Satisfied Customers: 23,296
Experience: Automotive Engineer for 20 years, BEng hons degree,
Verified

Hello and welcome to Just Answer

this sounds like there's no power to the ECM?

as this will turn on the fuel pump,

if the car will start using a squirt of quick/ easi start into the intake then this confirms the problem is lack of fuel and the ECM is getting power but its not reaching the pump or the pump is faulty

check the ECU power is present by measuring voltage at the fusebox and on its relay socket if OK then check the wiring and connections to the crank speed sensor for damage / chafed insulation

. Check that its relay switches in and out and the relay contacts are clean and bright – replace the relay if in any doubt and do the same for the fuse

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