I replaced the battery, fuel pump, and fuel strainer. I have cleaned and inspected the plugs (new), coil packs (good, good spark), coil pack connectors (good), injector connector tabs (good), crank position sensor (good), cam position sensor (low ohms reading, but not terrible), cam position actuator (very low ohms reading, no known range). I have tried spraying starter fluid directly into the throttle body (didn't work). Now, when I turn the key to "START", it cranks twice and then a significant *clunk*. I can rotate the crank wheel by hand about two thirds of a full rotation either direction. If I rotate the crank wheel to the bottom-out position on the backside, the engine will crank twice and produce that *clunk*. If I rotate the wheel to the top-out position, it doesn't crank and I get a slightly softer *clunk*. When I pull the plugs and look down the holes while turning the crank wheel, I see no movement. Is my motor seized?
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Re: 2006 Scion xB won't crank/start...
Thinc u gut some kinda internal engine issue--send it to magicmechanic online--hes an 8 time master on any engine--say 'help' on the subject--visit his tech library or listen to his radio show replay too
a 6ya expert can help you resolve that issue over the phone in a minute or two.
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Hi.. Yes i fix my problem by disconecting the neutral suitch and reconecting it ,,they get dirty with time and dont make contact ,Is a good idea to disconect and clean as many contacts as you can and put some special grease on them to prevent other problems ...
It's pretty straightforward EXCEPT you must loosen the engine mount and jack the engine up about an inch to get enough clearance to get it out/in because the engine is about 1/4" too far to the passenger side. Just did my 04' and that was a hard to find piece of missing info.
it is located under the case cover for manual trans ,( far LH ) end , and for the automatic trans !! its on the passinget side LH side under the axle LH side ( trans pan RH side end ) both trans plugs have dealer seal on them , either take it to the dealer ? or break the seal and take responsibility doing it yourself >.
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I know you are looking to have the remote starter run a third time but I would say you need to look at your Fuel Pressure Regulator on the Scion. Sounds like it is not holding fuel pressure at the fuel rail and that is why it requires a third Crank
smelling gas like you are is a bad thing, engine must turn over to fire injector. sounds like flooding ( possible ECM/power computer bad ). Before condemning the computer pull all spark plugs, disable ignition coils, then try cranking to see if engine will turn over. Be carful if hydro locked gas will be pushed out the spark plug hole/s
Mostly the only things that will stop an engine sensor-wise is the crank and cam sensors. Failure of other sensors will immediately cause the management computer to switch to the get-you-home programme, record the fault and switch on the engine light but will not prevent the engine starting and running.
Your description doesn't mention that you have physically checked the spark.
Another thing that prevents an engine starting is the anti-theft device. A friend happend to leave his keys on the microwave and couldn't start his car until it had been towed to the dealer.
Might be a good idea to check what the handbook says about that...
high resistance can cause this ,, bad plugs ,, bad connections or bad earths all cause high resistannce which can cause a voltage spike in the system potentially damaging coils or even the engine ecu ,,,
Since the engine cranks, the battery, starter motor/starter motor solenoid are most likely good, so suspect everything else on the list. When you narrow it down, re-post with a more specific question about that particular component, since 100s of components must operate nearly perfectly for a vehicle to actually start.
Priority Action Part Type -- Cause 1 Inspect Battery -- Battery Discharged or Faulty. 2 Inspect Battery Cable -- Corroded, Broken, Shorted or Poorly Connected Battery Cable. 3 Inspect Battery Cable Connector -- Broken/Corroded/Loose. 4 Inspect Fuel Filter -- Clogged or Dirty Fuel Filter. 5 Inspect Ignition Coil -- Faulty Ignition Coil. 6 Inspect Wireset (aka Spark Plug Wires) -- Worn, Damaged or Faulty Spark Plug Wire(s). 7 Inspect Spark Plug -- Incorrectly Gapped or Fouled Spark Plug(s). 8 Inspect Starter -- Starter Motor Faulty. 9 Inspect Fuel Pump -- Low Fuel Pressure. 10 Inspect Solenoid Switch -- Faulty Starter Solenoid Switch. 11 Inspect Fuel Pump Relay -- Faulty Fuel Pump Relay. 12 Inspect Fuel Injector Pressure Regulator -- Faulty Fuel Injector Pressure Regulator. 13 Inspect Ignition Switch -- Improperly Connected or Faulty Ignition Switch. 14 Inspect Starter Drive -- Faulty Starter Drive. 15 Inspect Fuel Injectors -- Dirty or Worn Fuel Injectors. 16 Inspect Fuel Pump Strainer (inside fuel tank) -- Clogged or Dirty Fuel Pump Strainer. 17 Inspect Engine Control Computer -- Incorrect Operating Information Being Delivered and Sent From The EEC (faulty computer) 18 Inspect Fuel Tank -- Fuel Tank Empty. 19 Inspect Carburetor -- Carburetor Flooded or Faulty Choke. 20 Inspect Distributor Cap -- Worn, Loose, Cracked, or Incorrectly Installed Distributor Cap. 21 Inspect Distributor Rotor -- Worn, Loose, Burnt contact surface 22 Test/Inspect Neutral Safety Switch -- Faulty Neutral Safety Switch
it could be a billion things...might have to specify that is it doing... if it doesn't start but cranks...then check the starter,battery,and the alternator... it could also be the fuel pump isn't pumping fuel in to the engine...so you need to check that too... Good Luck!
MAKE SURE BATTERY VOLTAGE IS 12.5 VOLTS.IF NOT REPLACE BATTERY. IF YES MAKE SURE BATTERY CABLES TIGHT AND CLEAN.FREE FROM CORROSSION. CHECK TO MAKE SURE ALTERNATOR IS CHARGING BATTERY.WITH ENGINE RUNNING ALTERNATOR OUTPUT 13.5 - 14.5 VOLTS.IF BATTERY ALTERNATOR GOOD.MAKE SURE FUEL PUMP RUNNING.TURN IGNITION SWITCH TO RUN POSITION A FEW SECONDS.YOU SHOULD HEAR FUEL PUMP RUNNING IN TANK.IF NOT CHECK FUSE AND RELAY.BOTH GOOD FUEL PUMP IS BAD.IF PUMP IS GOOD.PROBLEM IS IN IGNITION SYSTEM.CHECK FOR SPARK.NO SPARK.HAVE BAD MODULE.ALSO USE A DIAGNOSTIC SCANNER TO CHECK FOR FAULTY CKP SENSOR AND CMP SENSOR. THEY WILL CAUSE NO START PROBLEMS.
The first thing to do is to shoot a very small amount of starting fluid into the air filter box and crank the engine over if it tries to start then yes you have a fueling problem if it dose not try to start you may have lost the crank position sensor or the coil pack. Also check all the fuses as there are a couple that could also cause this problem.
you may want to check the fuel injector. Check by starting the car then pull out spark plug wires one at a time. if you find that the car does no try and stall after removing any of the wires then its the fuel injector