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I have no spark, but fuel pressure is good and everything else works just not getting spark. Help me.

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2 Answers

Motor turn's but doe's not start


List everything. Do you have spark and fuel and fuel pressure?

Jan 29, 2016 | 1996 Jeep Cherokee Sport

1 Answer

95 Taurus 3.8 SHO wont start replaced everything fuel pump to big relay is buzzing even new one im lost need help


Run tests. Fuel pressure correct? Spark at plugs when cranking? Fuel injector pulse working? Compression test?

Apr 06, 2015 | Cars & Trucks

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I have a 95 grand Cherokee. I'm getting fuel, and I'm getting spark. I replaced the crankshaft position sensor, and it still wont start. I spray starting fluid in carb, it starts and dies. Please help


what does getting mean? which engine, 4Liter or 5.2 or what?
spark at all cylinders is getting and timed right?
runs on test fuel so sparks good, that means fuel is bad
or flooding or too little fuel.
code 12 cranking for 5 seconds, means sensors are ok.
why replace parts that make spark when sparks good, it run on test fuel, why worry spark.? and not just fueling.?

now lets do fuel, step one is fuel pressure, not squirt tests.or dribble test. a real tool called,a fuel pressure gauge that works, and nothing else, (unless rail is dry and now we know its not)

if all spark plug tips are dry, are they?
then its not injecting, (the ECU can cut injection for 2 reasons) ask
or there is no real pressure.
so we open the FSM and read page FUELING
49psi is idle pressure, (more cranking with so little vacuum)

the tests are all there,

http://www.jeep4x4center.com/knowledge-base/index.htm?utm_source=cj#service

Jan 30, 2015 | 1995 Jeep Grand Cherokee

1 Answer

Help please


First Pull a Spark Plug and then reconnect it or you can get an extra spark plug and see if you have SPARK.

If No Spark, then write back and we will walk through this

If Spark, then you need to find out if you have GOOD FUEL PRESSURE That is 40 PSI... You do not know if you have good FUEL PRESSURE until you put a Gauge on.

There are 2 of the MOST COMMON things that go wrong.

The 3rd thing is the Crankshaft Position Switch... But that is too far ahead for right now...

Check for Spark and FUEL PRESSURE....

HERE IS A TRICK....
Get a can of STARTING FLUID or ETHER. Pull the Air Box Hose and Spray the ETHER into the HOSE as someone is trying to Start it. IF it starts, you know that it is the FUEL DELIVERY....

Good Luck

Apr 08, 2013 | Cars & Trucks

2 Answers

Fuel pump went bad fixed that now my car wont start


Now you check fuel pressure at motor with a gauge

Also check for spark & injector pulse while cranking

Dec 15, 2012 | 1996 Nissan Maxima

1 Answer

Car turns over but wont start


First step will be to have a fuel pressure gauge hooked up. If your pressure is low or not there at all, probably a fuel pump or fuel pressure sensor. If your fuel pressure is good, the next things to check would be spark plugs and coil packs, are the plugs worn/dirty and are the coil packs cracked,also have it checked to make sure the valve on the throttle body isn't stuck closed. Very basics of a car starting are always spark,air,fuel the fuel and air need to mix together properly then you need good spark to ignite it. Everything I have mentioned should be able to be properly checked by any good mechanic or shop. I work at a Volvo dealership and some things can get complicated for even a great mechanic that is not familiar with volvos. If none of the above mentioned are the problem and your mechanic doesn't easily find something other than what I mentioned then I would recommend taking it to a dealership. If it is one of the things I mentioned a good local mechanic or shop should be able to fix it and you'll probable save compared to having it fixed at dealership. Hope this helps, good luck

Sep 22, 2011 | 1998 Volvo S70

1 Answer

My car wont start,you turn the key , and sounds like it's going to start but it just wont' i already take to the mechanic he had the car for about 2 months i get the car back ; he said it was fix and now...


FIRST GET A SPARK TESTER TO SEE IF YOU ARE GETTING SPARK AT SPARK PLUGS.IF NOT CHECK IGNITION MODULE FUSE.IF FUSE GOOD HAVE CAR HOOK UP TO SCANNER LOOK FOR IGNITION MODULE FAULT CRANKSHAFT SENSOR FAULT AND PCM FAULT.IF ALL LOOK GOOD SO FAR.CHECK TO SEE IF FUEL PUMP WORKING.CHECK PUMP FUEL PRESSURE IT SHOULD BE 41 - 47 PSI. IF NOT REPLACE FUEL FILTER STILL LOW REPLACE FUEL PUMP.IF FUEL PUMP NOT WORKING AT ALL CHECK FUEL PUMP FUSE AND RELAY.IF BOTH IS GOOD FUEL PUMP AT FAULT.BUT SCAN TO CHECK FOR PCM FAULT CODES IT CONTROL SPARK AND FUEL SYSTEM.MAKE SURE SPARK PLUGS AND WIRES IS GOOD. ALSO CHECK FUEL INJECTORS FUSE ALSO.

Jun 08, 2010 | 1999 Oldsmobile Alero

2 Answers

Audi 100s 1993 cranks doesn,t start, turns over no start. when it starts runs rough and stalls.


could very well be a faulty sensor, leaky vaccum hose, bad coil packs, needing of new fuel filter, spark plugs, wires.

Have you checked your fuel pressure to make sure it is good. You can do this with fuel pressure tester on the fuel rail.

Also check every cylinder for spark
If you don't have any spark, or very weak spark, you could have bad coil pack, module, or crank sensor.

You can remove one plug at a time, and place it back on plug wire, place it on top of engine block, have someone else turn motor over well you observe to see if there is spark.

Do you have a service or check engine light on? If so, I would have the engine codes read to pinpoint exact problem area.

Let me know if you have any questions or need further help

Aug 26, 2009 | 1993 Audi 100

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