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Loss of power on 90 loyale,

My 90 loyale has lost power, anything above 2000 rpm causs it to miss and threaten to stall.

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Are you getting a service engine light?If not could be a air.or fuel delivery issue,i.e...fuel filter,fuel pump,or even air filter.If so,could be the throttle position switch,or the mass airflow sensor.

Posted on Apr 13, 2009


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Posted on Jan 02, 2017


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Car shuts down when you push the brake and it resets the radio.

The first thing that comes to mind for the radio is loose wiring. You didn't mention whether it was aftermarket or stock? You might want to check whether any trouble codes have been stored for the engine stalling issue.

Jun 29, 2016 | 2001 Suzuki Grand Vitara

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While driving veh lost power, as if not getting fuel. RPM would not go up to 2000. Could only go 10-15 mph. Did not stall. that could not be diagnosed.

the voltage to electronics is critical and any loss of generated power from the alternator will result in under voltage to the ECM
that in turn throws out the set parameters of the sensors and so the ECM goes into reduced power mode
the surging could be an intermittent fault in with the alternator , failing cells in battery or loose or failing drive belt
before you spend money on new alternator and battery, you can have the battery load tested and the alternator bench tested as the fix can be reasonably simple

Nov 23, 2015 | 2002 Ford Escape

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I own a Suzuki swift 2000 model was driving along then I started to loose power then the car turned off then the eps light comes on what's wrong

ever get a full tune up in 15 years.
lost power is 99% of time just that, not doing service on car.
and is very common,.... so....did you?
spark parts and filters?
lost power can be misfiring or bogging,
misfire is violent and spark.
bogging (smooth) is loss of fueling.
stalling is same
if you cant save the stall with a fast right foot, it is usually loss of fueling.
say, bad fuel, out of fuel, wrong fuel (diesel)
or filter clogged, low fuel pressure. (forget EPS)
fix engine.
unless transmission was slipping what it, RPM rises car fails to move faster, that be SLIP.

Nov 20, 2015 | Suzuki Cars & Trucks

1 Answer

2002 jeep liberty 3.7L engine miss on 2 cylinders engine revs to 2800 rpm and shuts down comes back on at 2300 rpm and repeats.

ok stalls are complex. there are over 50 causes.
no , im no listing them..sorry.
ill not tell you to read a book, but they do tell you how to diagnose all engines. made... no kidding.
so what is it.
so the CEL did not come on as the engine SHUTS DOWN.
then that means it never fully stalled. (a key fact)
but was the throttle dead, at the SHUT DOWN? key fact 2.
if the throttle is dead, at stall.
then that is the ASD relay cutting out.
if you had scanned it at the stall it be obvious with DTC's stating that fact. in fact 8 reason there are for that.
if not asd drop this try this.
1: lost spark, never tuned up in 10 years, so spark ends.
2: lost of fuel pressure.
there is my guess, 3 things. (i skipped bad engine, (loss of compression hot)

Got P03xx codes, DTC errors. that be top of list
here is the ASD list

fixing stalls with no scan tool is like juggling blind.....
buy one or rent one.?

Aug 22, 2015 | Jeep Cars & Trucks

2 Answers

Engine lost power for a few seconds then took off normal, few seconds later engine light came on any ideas why?

no year , no joy,
no engine size, x10
that is called stalling in rpm dropped to zero , did it?
the engine light means.
so? did you scan it yet, if not , why not?
ever get a full tune up this decade?

Mar 20, 2015 | Jeep Grand Cherokee Cars & Trucks

2 Answers

I got 1994 toyota andf it stall when i turn on anything like blinkers or headlight and when i put it in gear. Its a five speeed v-6 but it starts right up and idles but if i hit brake it sounds likeit

ok , i guess you are saying the engine stalls when I use heavy electrical loads (like head lamps or brakes or even blinkers)
and when you shift from park to drive.
ok , if the engine RPM is 800 before the stall, then that is a total loss
of engine power with lost of idle controls.

The big load is in DRIVE on automatics huge going to DRIVE.

if battery voltage (yes, a 10 buck walfart meter works) can see 13.3 to 15vdc idling at 800 or more RPm.
the Alternator does not work below 800 so , dont expect it to.

so, if rpm in park is below 800 then we fix that first, see why?
if idle drops below 800 this is caused buy many things.
one vital fact missing is you didnt say, if I drive it like a stole it.
that is aggressive right foot. , do you have full engine power, now?
ignoring stalls. (see my drift there, "is engine power good;?)

battery volts above 13.3vdc.
idle at 800 and stalls in DRIVE (shifted)
  • low fuel pressure.
  • never ever tuned up this decade, with all spark parts bad.
  • ISC stuck( idle speed controller (it lets in more air , in DRIVE)
  • low engine compression.
  • other complex ,fueling issues, (ask) and lots of tests. (ask)
if no tachmeter in car or tool box, repairs get dicey.
it takes tools to diagnose and fix cars.
go tools? or willing to buy them
if not,? get it serviced.

Dec 08, 2014 | 1994 Toyota Pickup

1 Answer

I need an detailed image of a ignition system for a mitsubishi montero sport 2000 3.0 6 cylinders

details are only 2 places, the FSM, Factory serv. man.
you can look any time. sure can.

enigine stalls, did you give at tuneup first the 60k mile column?
if not, why not now?>

STALLS 101 (can be very complex. 50+ causes , but a few tests)
  1. can you save the stall with a fast right foot, (all time top check and 100% free to do...??????)
  2. Did the lights go dead at the stall , radio , head lamps dim, yes, do test this stalls issues, with head lamps on and dash fan. It the still work at the stall , that means you have 12vdc power, the loss of which kills dead any EFI cars engine.
  3. The car 2000, year, and as such as dirt cheap scan tool fits the port (16pin) near knees. you get a tool easy, everyone here in USA can do this easy, and not doing so, misses the BOAT. you can see why it failed at that moment. EG: lost CMP/CKP sensors, see DTC error, like P0300s.gross misfire, etc. gee LOOK and do not work blind, why miss these key facts?
  4. Lost compression hot.? 1 or all 6 cyl.
  5. lost spark 1 or all 6? tests. DTC errors. manual checks tuneup time.
  6. Lost fueling and flooding, Spark tips show flooding easy, LOOK.

keep in mind, i dont have #1 info above, and is key to ALL this.
the EFI works over time to prevent stalls, so the problem is serious
the stalls can be , lack of air, ISC stuck closed (fast foot tells you)
or the ECU sees and error and decides to cut fuel.
the ECU does that on all cars, for 2 thinks, it THINKS spark is bad or
the TPS is stuck at 4v. or more.
Stall scan be engine runs so bad, the ISC can not raise the idle more. and stalls, (EGR stuck open)
a scan tool can be had for 9 bucks. (fleabay)

Jun 18, 2014 | 2000 Mitsubishi Montero Sport

1 Answer

P0302 when cold only

The code is for a miss-fire on cylinder two, it could be from a faulty spark plug or injector among other things.
Once you get above 2000 rpm the other 3 cylinders can cover the loss of power.

Jul 24, 2012 | Kia Cars & Trucks

1 Answer

Loss power suddenly

your in limp mode have the vehicle scanned for trouble codes most auto stores offer this service for free --

Aug 13, 2017 | 2000 Nissan Xterra

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