Question about 2002 Chevrolet Silverado

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I changed the fuel filter, fuel pump, spark plugs, check the injectors,check the oxygen sensors and my truck is still running funny. It starts and after you drive it for about 15 minutes the rpm gauge starts going up and down and it than starts to shake like it's starving for gas and i have gas in it than the engine stalls out and it takes forever to start back up

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Possibly bad crankshaft sensor. Is the engine light on?

Posted on Oct 07, 2010

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Sounds like the mass air flow sensor, check connection , if not mafs i would check the TPS sensor (throttle positioner switch),I have seen them get hot and cause a engine to stall cause it is breaking down the signal(going to ground) to the computer and that tells the fuel pump to not send fuel..

Posted on Oct 07, 2010

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1 Answer

What are the probable causes of DTCs P0300 and P0316?


code p 2274 refers to heated oxygen sensor(HO2S) 3 bank 1 signal stuck lean or oxygen sensor(O2S) signal stuck lean===causes for both--wiring ---HO2S--fuel pressure --injectors --intake leak
code p 0300 refers to random /multiple misfires detected ===causes --spark plugs -- HT leads injector/s--ignition coils --low compression --wiring
code p 0316 refers to misfire detected during start up---first 1000 revolutions ===causes --engine mechanical fault---wiring---ignition / fuel system---injector
in all codes the injectors show up as a problem cause and if you couple that with low fuel pressure issues you may have a pointer to the real cause
have a pressure test done on the fuel manifold top check for pump fault , filter blockage and faulty pressure regulator
check /clean injector tips as they could be suffering from contamination problems and not operating freely ( good fuel injector cleaner)

Oct 11, 2015 | Cars & Trucks

5 Answers

I have a 2000 hyundai grandeurmy car idle rough, had duel injecters cleaned but it's still the same. now its sluggish when you take off and they say its a problem with a one cylinder is not working they...


If it is not firing on one cylinder, check and eventually replace distributor rotor, or electronic injection module.
Check also for camshaft problems.

Oct 07, 2008 | Hyundai XG300 Cars & Trucks

2 Answers

Oxygen Sensor Problems


Try putting in an additive in your gas tank that cleans the fuel injectors. if your fuel filter was that dirty, the fuel injectors may be gummed up.

Nov 08, 2013 | Cars & Trucks

1 Answer

Have changed to crankshaft sensor the oxygen sensor spark plugs and wire and wont start even when it is turning over


Borrow a fuel pressure tester from Auto Zone and test the fuel system. It could be that you have a bad fuel pump or fuel pressure regulator. It also could be a plugged fuel filter.

Mar 14, 2013 | 2000 Pontiac Sunfire

1 Answer

Have a ford explorer 2005 xlt having problem getting it to start, have change the fuel pump and fuel filter, also change the crank shaft sensor and the cam shaft sensor, still not starting can any...


Your problem may be one of the following:
First check or just replace the fuel filter. Usually located under the car in front of the rear axle, drivers side.
Next, the fuel pump may be worn out. Usually they just stop working (running).
Next, check the fuel pressure regulator. Usually located on the front fuel rail, drivers side.
Is the vacuum line attached? Not leaking or rotted?
Also, do you smell a strong fuel odor when it won't start? May be one or more stuck-open injectors, or the coil pack is bad.
Checking these in the order listed will more than likely fix your problem.
The clicking noise indicates the battery can no longer run the starter, which also means the fuel pump won't run either.


Have you hooked a scanner to the computer and checked the oxygen sensor(s)? If they are bad they could lean out the engine. The MAF Sensor can cause starting issues. Check the filter side of the MAF Sensor for any debris. I have found feathers, leaves, rags, etc. in them.

Remember an engine needs three things to work properly...Air / Fuel / Ignition(Spark)

Aug 25, 2011 | 2005 Ford Explorer

2 Answers

My 95 Windstar idles very roughly. It starts just fine but after about 4 to 5 minutes it starts idling roughly. I put a new air filter in but that didn't do anything.


Hi, Try to replace fuel filter. It maybe clogged up and making engine run rough or poor. Also check and replace spark plugs. A bad spark plug will make it run rough too. Good luck.

Jun 15, 2011 | 1995 Ford Windstar

1 Answer

1999 suzuki esteem hard to start, just cranks and cranks. Runs perfect once started. Has new spark plugs oxygen sensor and cleaned injectors. Anybody know what problem is?


check to make sure the fuel pump,injectors and fuel pressure regulator don't have any internal leaks check the fuel pressure immediatlly after it is shut off and two hours later there should be at most a very slight difference

Sep 25, 2009 | 2000 Suzuki Esteem

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