my 94 gmc sierra 1500 will start then dies and then wont start again for awhile

Asked by Nov 30, 2013 at 09:09 PM about the 1994 GMC Sierra 1500 K1500 SL 4WD Standard Cab SB

Question type: Maintenance & Repair

i will start my truck and it will idle for alittle bit then it dies and wont start again for alittle while.  you can smell fuel like it is flooded.. can anyone help plz, pretty much have replaced everything, becoming a money pit

6 Answers

yes, the intake air temperature sensor is sending bogus data or disconnected~ https://www.google.com/#q=1994+GMC+Sierra+1500++IAT+sensor&tbm=s hop&spd=9043524995793856051

2 of 2 people found this helpful.

this little goodie replaces the heat riser, stove kit, diverter, heat riser and thermal choke with two position throttle....all that in one goodie~

4 of 4 people found this helpful.

http://www.autopartswarehouse.com/sku/Standard/IAT_Sensor/SIAX32.html ~38.50 .... could be worse~

34,275

Intake air temp is not going to cause the engine to flood out, especially on an obd 1. Check your fuel pressure, could be the filter is clogged lowering the amount of available fuel and pressure, could be the pump is weakening with the increase in temperature from running both would not provide enough fuel preventing it from getting burnt properly causing the raw fuel smell. Could be a broken fuel pressure regulator diaphragm, causing the engine to actually flood out when it warms up and tries to idle down. Also check for spark after it dies, could be the coil or the pickup getting warm and quitting until it cools.

2 of 2 people found this helpful.
30

would an oxygen sensor in a 1990 sierra 1500 let the engine start and then die..i have to turn the key off then restart then it runs for 5 seconds then dies..if i keep doing this.. eventually it stays running..20 stars and stalls later..

1 of 1 people found this helpful.
34,275

Probably not, since it reverts to open loop when it's faulty and the data isn't read from it until the engine is up to temp. Open loop is a default presetting in the ecm that is run on a cold engine. You have either a fuel or spark issue.

Your Answer

Add photo

Related Questions

  • my 94 gmc sierra 1500 will start then dies and then wont start again for awhile 6 answers

    i will start my truck and it will idle for alittle bit then it dies and wont start again for alittle while. you can smell fuel like it is flooded.. can anyone help plz, pretty much have replaced ever...

    1994 GMC Sierra 1500 K1500 SL 4WD Standard Cab SB

    -

    Maintenance & Repair

  • 1998 gmc sierra 1500 wont start 1 answer

    I have a 1998 GMC Sierra 1500 and it will not start. It died on me while I was driving and I had it brought back to my house. I have replaced the fuel filter, the starter and the battery. And I had...

    1998 GMC Sierra 1500 C1500 SLE Extended Cab LB

    -

    Maintenance & Repair

  • 1991 GMC sierra 1500 SLE 4.3 won't start was bogging down like choking out and then finally quit

    Put in a new fuel pump because it wasn't squirting out of the fuel line like it should be new tributer module wires and spark plugs or installed still can't get it to start trying we had some wiri...

    1991 GMC Sierra 1500 C1500 SLE Standard Cab LB

    -

    Maintenance & Repair

  • 2003 gmc sierra 1500 wont start 2 answers

    check eng lite was on for 2 days. Was sitting in Walmart idling, started to run rough then died. wouldn't turn over and steering wheel wouldn't lock. Has new battery, all lights and electrical worki...

    2003 GMC Sierra 1500 SLE Extended Cab SB

    -

    Maintenance & Repair

  • My 1992 GMC Sierra will start but will only run for 20 seconds exactly. 3 answers

    My 1992 GMC Sierra will start but will only run for 20 seconds exactly. Change fuel pump, fuel relay, tested computer. Swapped computers, Replaced Cap and it still runs for only 20 seconds.

    1992 GMC Sierra 1500

    -

    Maintenance & Repair

Sierra 1500

Looking for a Used Sierra 1500 in your area?

CarGurus has 68,701 nationwide Sierra 1500 listings starting at $1,800.

ZIP:

Search GMC Sierra 1500 Questions

GMC Sierra 1500 Experts

#1 dragonflyoffshore
dragonflyoffshore
Reputation 5,230
#2 John Saffrahn
John Saffrahn
Reputation 3,640
#3 Glenn Clingenpeel
Glenn Clingenpeel
Reputation 3,330
View All

Related Models For Sale

Used Ford F-150
2,174 Great Deals out of 195,110 listings starting at $290
Used Dodge Ram 1500
419 Great Deals out of 10,946 listings starting at $1,000
Used Toyota Tacoma
518 Great Deals out of 43,167 listings starting at $1,995
Used GMC Yukon
423 Great Deals out of 20,393 listings starting at $1,495
Used Chevrolet Tahoe
597 Great Deals out of 32,881 listings starting at $1,500
Used Chevrolet Camaro
350 Great Deals out of 31,370 listings starting at $2,500

Used Cars For Sale

2017 GMC Sierra 1500 For Sale
92 Great Deals out of 44,500 listings starting at $23,368
2016 GMC Sierra 1500 For Sale
89 Great Deals out of 3,512 listings starting at $17,670
2015 GMC Sierra 1500 For Sale
95 Great Deals out of 4,251 listings starting at $16,291
2014 GMC Sierra 1500 For Sale
92 Great Deals out of 4,195 listings starting at $13,995
2013 GMC Sierra 1500 For Sale
55 Great Deals out of 1,945 listings starting at $8,500

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.