Question about 2002 Buick Rendezvous

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What controls the injector pulse on a 2002 buick rendezvous?

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Power train control module sends signal. pcm gets info from crank sensor

Posted on May 10, 2010

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Fuel injector 2007 buick rendevous my car won't start because there isn't enough fuel getting to the engine how can I fix this


How long since a tune-up? Any applicable trouble codes? Is fuel your only problem? Engine cranking, you have spark at the plugs and fuel injector pulse? Your security system isn't an issue?
If the only problem is fuel, use a gage and check proper fuel pressure.

Sep 28, 2016 | 2007 Buick Rendezvous

1 Answer

I replaced my fuel level sensor in my 2002 Buick


this is for the Optical sensor to the PCM , pulses for the injectors from fuel pump , further investigation will be needed by an experienced mechanic

Oct 11, 2014 | Cars & Trucks

1 Answer

Buick rendezvous misfire issue


Since you changed parts, you have covered some possibilities. On the spark side, the Crankshaft sensor and( if equipped) the camshaft sensors give the information for the firing Pulse.

A wet connection on either part can certainly cause a misfire. There is also the possibility of a fuel injector misfiring due to a connection or bad ground on the injector during damp weather.

Sometimes if you get lucky you can see spark jumping on the motor by operating the engine in the dark. Mist the engine with a spray bottle of water to see if you can induce a misfire, if unsuccessful with normal weather conditions.

WD 40 often cures moisture problems.

Please rate my info.

Jan 29, 2013 | 2002 Buick Rendezvous

1 Answer

2002 Buick Rendezvous Driver's Side Climate Control does not blow out heat


Could be a sensor or one of the blend doors under the dash.
You may need a shop manual to get the troubleshooting procedure.

Oct 16, 2012 | 2002 Buick Rendezvous

1 Answer

My 2003 buick rendezvous i put a new fuel pump in and still wont start unless i use starting fluid


Possible fuel pump relay or fuse check for 12volts at pump if not suspect power issues if there is power and you can hear it hum injectors not pulsing of security system issues

Aug 07, 2011 | 2003 Buick Rendezvous

1 Answer

What controls the injector pulse on a 2002 buick rendezvous?


michaelvolla,

All fuel enjected vehicles have a fuel pump relay that controls the pump action when pulling (pumping) fuel to the fuel rail.

If you are experiencing lack of fuel to the engine, chances are that the fuel pump relay needs replaced.

To determine this, answer the following:

1. Is there fuel pressure on the fuel rail after shutting the engine off (at operating temperature) one hour or more after shut off?

If so, then it may not be the relay. It could be the sending unit (fuel pump) itself, but it feul pressure is not present upon pressing the needle in under the black knob on the fuel rail; replace the fuel pump relay first. If this doesn't work, then the fuel pump may need replaced.

Please let me know if you need anymore assistance, or further questions or concerns. Also, inquire abou this with a local parts dealer, as they will also be able to help you in this matter.

The relay and pump are something that you should be able to do yourself, and not have to go to a mechanic or dealer to have replaced. Unless there is extraordinary work invloved, which I highly doubt, but is possible.

Cordially,

carsandcomps,
Guru, Premium Expert @ Fixya.com

Apr 10, 2010 | 2002 Buick Rendezvous

2 Answers

No injection pulse


looking at the schematics, well the PCM controls the pulse width to the injectors , BUT , there is a injector coil fuse , its #2 in your kick panel fuse box , a 20 amp , check it , sure hope that fix ya . that would be sweet .

J5

Jan 15, 2009 | 1992 Buick Century

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