Question about 1997 Mazda MPV

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Check engine light on. stalling & surging. had tune-up recently. seems to be not getting enough fuel.

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Vaccum leak or faulty sensor could be the problem. If you have the check engine code. that would help so much. along the lines of not getting enough fuel....maybe....maybe not, check the fuel pressure, if its fine, something else.... realy need the engine code. oh, could also be the oxygen sensor, if its fouled up that would cause the engine to surge and stall. BUT if the check engine light is on, you need to find out what code it is. you can manualy look this up using your owners manual, it will give you specific instruction on how to extract the code out of the computer.

good luck

Posted on Sep 27, 2009

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I have an '87 Olds Calais 3 liter engine that idles rough, hesitates on acceleration, and just recently stalls and won't start.


Karl, have you confirmed good fuel pressure? It sounds like a weak fuel pump to me. Is your Check Engine light on? If so what are the codes in the computer?

Dec 31, 2014 | 1987 Oldsmobile Calais

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High low idle, rough idle stalling


If it's surging, make sure your radiator is full. Do a tune up, plugs, wires, etc. Put some fuel injector cleaner in your fuel tank. On a cold start the vehicle compensates for being cold by adding fuel. Once it warms up the computer tells it to quit adding extra fuel. If it is a bad sensor of sorts, check engine light should come on.

Dec 11, 2013 | 1987 Ford Tempo

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Increase then decrease idle when engine is cold especially


cold engine idle surge. (problem)
RPM range of surge not stated
300-700 or 800 to 1500? (range is critical to diagnosis)

bad fuel
running summer fuel in winter (running old fuel?)
needs a tune up bad, see the list in the operator guide.
idle speed controller,sticking or EGR valve same. (clean them)
location not stated, so cant guess about local air temps.?
no other symptoms, lack of engine power? etc?
was it ok last week, or better, when was the last time it was OK?
1week, 1year?
surge , causes, on a tuned engine might be:
1: too lean. so lean the ISC can not control idle. rpm low, stalling
2: too rich, flooding, stalling, spark plugs foul (look at them)
3: weak compression in 1 or more cylinders.
4: bad spark.
5: air leaks, in the plenum causing , ISC to lose control.
why high RPM?

especially?
well that means it fails hot too.
and there is a simple tests. for hot surge.
is engine fully hot? 180F and holds solid there?
say rpm is about 800
and you turn on head lights, heater fan and (not AC) and defrost.
the RPM must hold or the ISC is failing.
ISC -= idle speed controls. (all EFI has this function)

Oct 28, 2013 | 1996 Honda Prelude

2 Answers

Motor surges up down and shuts down starts rite up start surging again after it worms up


stalling and surges.
does a fast right foot , prevent the stall?
does the engine still have full power on demand?
key questions....
you key on and the Dash CEL must glow, does it?
if yes, then does it flash 12s running? on demand.?



1: old car, make sure compression x4 is good at 150PSI, tested wide open throttle. ?
2: did you tune it up, with all new spark parts from rotor to spark plugs and set the gap to 0.028" , then check the spark timing.

3: The ECU on this car dont make spark ,the 90 is a ECU does injection only, car, fuel, only, but does control IDLE.
Bad spark, is a bad dizzy. (or never tuned up, by the book)
All tune ups, end by checking the timing,,,, tis a fact.

4: stalling with out lost power is? (not above)
A: EGR stuck open (sticking).
the 50k service point, is to clean it, make sure its closes.
B: ISC bad, most 23 year old ISC are bad. ISC is electric.
C: the iAC is not bad as they only fail hot. (stuck open)
D: bad fuel.
E: bad injection....bad fueling , too little or too much.


http://www.fixkick.com/

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1 Answer

Nissan altima stalls


what are the codes that are causing the engine light to come on? need to know that first

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Buick regal 3.8l 3800 series 2 rough idle, almost stalls, surges forward


have u checked the idel air control selonoid otherwise could be a bad injector or fuel pressure regulator

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1 Answer

Engine surges stalls misfires power loss


You have very limited information listed. I don't know what year or model you have. Any way I would check fuel filter and perform a fuel pressure test to make sure your fuel pump is working correctly. Your vehicle may just be in need of a tune up. Does your check engine light come on? If so you need to have it plugged into a scanner or a code reader at the very least to find out why it is on.

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Ford E-350 2001 V-10 gas. 70k mi. - problem developed suddenly, no gradual lead up. - runs rough, stalls both driving or sitting idle, seems to surge a little i.e. surges above idle rpm while sitting. was...


Check your fuel vapor recovery system, your van has unusual set up, and the effect is RAW fuel gets purged, rather than vapor.
The dead giveaway test is does the issue happen on light acceleration? Does it stop if you let off the throttle? Can you accelerate harder and "get past" the issue?

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1 Answer

1995 gmc jimmy-won't accelerate wants to stall


could be the fuel pump ...you will need to do a fuel pressure test on it ..the pressure should be 63 anything lower even so much as a few lbs will cause this to happen ...as well if it sat that long i would consider a complete tune up and check all vacuum lines for dry-rot


Sep 14, 2009 | 1995 GMC Jimmy

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