Question about 2001 Isuzu Rodeo

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Engine is lacking fuel and can't accelerate when engine cold

When the engine is cold the car can't accelerate in park or in drive. On data stream, pcm opens injector too short as coolant temperature show cold engine. After roughly one min, i can accelerate or drive anywhere i like. Any help will be appreciated. PLEASE HELP ME !

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  • 167 Answers

Check the CHT sensor .Could be telling the ecu that the engine is warm and not cold.
Let me know how it goes.

Posted on Jun 28, 2009

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Posted on Jan 02, 2017

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My vehicle shuts off while driving


Are you loosing fuel pressure, or spark ?

Feb 12, 2015 | 2000 Jeep Grand Cherokee

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Reduced engine power


Have the vehicle checked for DTC'S - diagnostic trouble codes ! Do you know what electronic throttle control is ? The gas pedal assembly has electrical connector an sensors inside ,hooked to the PCM / ECM - engine computer . The engine computer uses these position sensors inputs to control the DC motor on the throttle body to open the throttle plate to control the speed . Plus there are position sensors inside the throttle body to input PCM/ECM to see if it's calculations are corect . Your best bet maybe to take it to a qualified repair shop .
Drive by Wire Function and diagnostics by Wells

Reduced Engine Power Mode
When the PCM detects a condition with the TAC system, the PCM may enter a reduced engine power mode. Reduced engine power may cause one or more of the following conditions:
• Acceleration limiting--The control module will continue to use the accelerator pedal for throttle control; however, the vehicle acceleration is limited.
• Limited throttle mode--The control module will continue to use the accelerator pedal for throttle control; however, the maximum throttle opening is limited.
• Throttle default mode--The control module will turn off the throttle actuator motor and the throttle will return to the spring loaded default position.
• Forced idle mode--The control module will perform the following actions:
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• Engine shutdown mode--The control module will disable fuel and de-energize the throttle actuator.

May 12, 2017 | 2004 GMC Sierra Denali

1 Answer

Hi.my bmw e46 318i year 2003 lack of power.as if It hesitate. It gives late response.


hot engine, or cold, or both
does it reach full 180F coolant temp or more and HOLD?

id have to drive it, on here ,, im blind. and can't drive.
but here is a wild guess. based on almost no inputs.
bad TPS.
low fuel pressure

is the check engine light on, key, then goes out driving? does it?
CEL lamp. is first.
then 2nd is a FULL OBD2 scan of the PCM. look for problems.
i look at live data. and know what to expect, but most folks don't.
we watch all sensors, and look for factory only DTC errors.
the sensor are easy to monitor.
as is LTFT and 02 ops.

Jun 09, 2014 | Cars & Trucks

1 Answer

Car accelerates itself


what year car, all are different, no year, no real help.

please do elaborate that
im doing what?
is this a problem parked, (in parking , implies you are stopping while driving?) what?
does this failure, happen, in PARK? (shift lever in park)
or is parking a verb, in that, im going to park but are attempting it.

questions.
is engine hot or cold, does it fail in hot or cold only or both.
the dash gauge shows, the engine temperature, a key fact.

are the floor mats hitting the gas pedal. like on most toyota's it seems?
are your feet, hitting the wrong pedals,
driving with snow ski boots?
if the fuel pedal is not sticking, then its a real problem.
for sure dont drive car... like this. if it is a real engine problem.

and yes, all cars can fail and do that.
just sticking throttle , and bingo.


Dec 27, 2013 | Jeep Cherokee Cars & Trucks

1 Answer

?acceleration sluggish when cold?


any codes like air temp sensor, MAP or o2 sensors. A local auto parts place should be able to read the live data stream for you at no cost. Could just need an intake clean. I have seen a bad coil here and there(when wet). Great car.

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Need help with 2001 Toyota Corolla stuttering!


CHECK ENGINE COMPRESSION BETWEEN COLD AND HOT , DURING ENGINE IS COLD SOME VALVE IS NOT SEALING MUCH .

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1 Answer

Mitsubishi Triton V6 lacks power on acceleration


full power is only achieved when the engine is fully warm(operating temp).so if you accelerate more than, say, a third of the gas pedal,the car will feel sluggish.
this is more apparent when first starting the car in the morning in winter.almost like the car is going to stall.
most wear in the engine is leaving it to idle when cold you should always drive the car straight away from cold.then when hot turn on the a/c if required....

Jul 05, 2010 | 1988 Mitsubishi Pickup

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