Questions & Answers for: GMC Sierra hard to start when hot

HARD START, DO U NOTICE ANY BLACK SMOKE WHEN IT FINALLY STARTS? what size engine? and is it a vortec? engine VIN as well. 8th vin number have you check fuel pressure? must be above 55psi almost to the

...hard to start when engine is hot. What could be the problem? Weak started windings...this use to happen alot with GM/Chevy trucks. Your starter may just need replaced, and/or the heat sheild which ...

...hard start when hot My 1989 gmc sierra 6.2 liter diesel will not start when engine is hot hi, i have seen this problem ten years ago twice, but i was dumbfounded by the answer. all details aside, I ...

hard to start and I gaped the plugs that I already had to the specified gap and now it starts really hard. What do I need to do. the coil might need replacing ,i have an old caddy it was hard to start

...hard cold starts last month, now won't start cold w/o a little carb cleaner in intake. Codes for oxy sensors, mass air sensor and crank/cam position. Drove today, no power just bogs when 3/4-full ...

to start but not on a regular basis starts fine sometimes and starts hard others replace fuel filter, manditory ! replace air filter as well. didn't I just answer a similiar problem just a moment ago

...hard to start especially if it has sat for several hours and sometimes needs starting fluid help. We have cleaned throttle body, done tune up, oil change, replaced fuel filter. What else can it be? ...

hard to start my 1998 gmc k2500 5.7 engine is hard to start when hot, it starts fine 1st thing in the morn then will crank alot after warmed up. no codes set, fuel pressure is 60+, put a new fuel pump

...hard to tell when you're already cold... you have a problem with the heater/a/c controls there obviouly stuck on a/c you will need to strip out the control panel to see why the direction/vent , ...

...start when hot There are some facts which come to bear in this case of hard starting. When the engine is hot, all moving parts are also hot. When metal is heated like the air in a balloon is heated, ...