Nhwehwɛmu a wɔahu no kyerɛ sɛ afiri a wɔde tutu fam no yɛ adwuma sɛnea ɛsɛ wɔ ahoɔhare a ɛba fam mu nanso enni ahoɔhare a ɛkɔ soro, na ɛma wusiw a ɛdɔɔso no nyɛ adwuma yiye .

Engine no yɛ adwuma yiye wɔ ahoɔhare a ɛba fam mu, nanso sɛ ɛkɔ ntɛmntɛm a, ahoɔhare no nkɔ soro da na karka no yɛ mmerɛw. Eyi fi pɛtro a ɛkyinkyini a ɛnnɔɔso no.
Nsakrae a ɛmfata a wɔyɛe wɔ petrol a wɔde gu mu pɔmpɛ no mu no maa petrol a wɔde ma no so tew.
2 Amrado no ahohuru bere no ma ne elasticity so tew esiane ɔbrɛ nti. Sɛ wɔde accelerator no mia ase a, petrol level adjustment lever no ntumi nkɔ n’anim nkɔ awiei, na ɛde petrol a efi petrol injection pump no mu no so tew na engine no ntumi nkɔ ahoɔhare a wɔahyɛ no so .
3 Plunger ne nsateaa a ɛwɔ petrol injection pump no mu, ne nea wɔde hyɛ petrol a wɔde hyɛ mu no mu no, sɛ wɔde diesel no twetwe no kɛse bere a wɔde pɛtro gu mu no yɛ kɛse na ɛma pɛtro a wɔde ma no so tew kakra.
4 Nsakraeɛ a ɛmfata a ɛwɔ throttle control lever no mu anaasɛ throttle pedal no a wɔyi no boro so no mma pedal no ntumi nkɔ baabi a wɔakyerɛ no, na ɛde petrol a ɛnnɔɔso ba wɔ adesoa a ɛyɛ ma mu.
5 mframa wɔ ngo a ɛwɔ ɔman no mu no mu.